| Index: test/cctest/interpreter/bytecode_expectations/ForAwaitOf.golden | 
| diff --git a/test/cctest/interpreter/bytecode_expectations/ForAwaitOf.golden b/test/cctest/interpreter/bytecode_expectations/ForAwaitOf.golden | 
| index d055c1bc02a9e6dea83dc37bd23660caca570d64..a8522862f848505e40df9ca875bbe04b135d5333 100644 | 
| --- a/test/cctest/interpreter/bytecode_expectations/ForAwaitOf.golden | 
| +++ b/test/cctest/interpreter/bytecode_expectations/ForAwaitOf.golden | 
| @@ -14,98 +14,101 @@ snippet: " | 
| } | 
| f(); | 
| " | 
| -frame size: 26 | 
| +frame size: 27 | 
| parameter count: 1 | 
| -bytecode array length: 715 | 
| +bytecode array length: 739 | 
| bytecodes: [ | 
| +                B(Mov), R(new_target), R(11), | 
| B(Ldar), R(new_target), | 
| B(JumpIfUndefined), U8(25), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetContext), R(new_target), U8(1), | 
| -                B(PushContext), R(12), | 
| -                B(ResumeGenerator), R(new_target), | 
| -                B(Star), R(11), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetContext), R(11), U8(1), | 
| +                B(PushContext), R(13), | 
| +                B(RestoreGeneratorState), R(11), | 
| +                B(Star), R(12), | 
| B(SwitchOnSmiNoFeedback), U8(0), U8(3), I8(0), | 
| B(LdaSmi), I8(79), | 
| -                B(Star), R(13), | 
| -                B(CallRuntime), U16(Runtime::kAbort), R(13), U8(1), | 
| +                B(Star), R(14), | 
| +                B(CallRuntime), U16(Runtime::kAbort), R(14), U8(1), | 
| B(LdaSmi), I8(-2), | 
| -                B(Star), R(11), | 
| -                B(Mov), R(closure), R(13), | 
| -                B(Mov), R(this), R(14), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_CreateJSGeneratorObject), R(13), U8(2), | 
| +                B(Star), R(12), | 
| +                B(Mov), R(closure), R(14), | 
| +                B(Mov), R(this), R(15), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_CreateJSGeneratorObject), R(14), U8(2), | 
| B(Star), R(2), | 
| /*   16 E> */ B(StackCheck), | 
| B(LdaUndefined), | 
| -                B(Star), R(13), | 
| -                B(CallJSRuntime), U8(%async_function_promise_create), R(13), U8(1), | 
| +                B(Star), R(14), | 
| +                B(CallJSRuntime), U8(%async_function_promise_create), R(14), U8(1), | 
| B(Star), R(7), | 
| -                B(Mov), R(context), R(15), | 
| B(Mov), R(context), R(16), | 
| +                B(Mov), R(2), R(11), | 
| +                B(Mov), R(context), R(17), | 
| B(LdaZero), | 
| B(Star), R(6), | 
| -                B(Mov), R(context), R(19), | 
| B(Mov), R(context), R(20), | 
| +                B(Mov), R(context), R(21), | 
| /*   43 S> */ B(CreateArrayLiteral), U8(3), U8(3), U8(17), | 
| -                B(Star), R(21), | 
| -                B(LdaNamedProperty), R(21), U8(4), U8(8), | 
| +                B(Star), R(22), | 
| +                B(LdaNamedProperty), R(22), U8(4), U8(8), | 
| B(JumpIfUndefined), U8(17), | 
| B(JumpIfNull), U8(15), | 
| -                B(Star), R(22), | 
| -                B(CallProperty0), R(22), R(21), U8(10), | 
| +                B(Star), R(23), | 
| +                B(CallProperty0), R(23), R(22), U8(10), | 
| B(JumpIfJSReceiver), U8(23), | 
| B(CallRuntime), U16(Runtime::kThrowSymbolAsyncIteratorInvalid), R(0), U8(0), | 
| -                B(LdaNamedProperty), R(21), U8(5), U8(4), | 
| -                B(Star), R(22), | 
| -                B(CallProperty0), R(22), R(21), U8(6), | 
| -                B(Star), R(22), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_CreateAsyncFromSyncIterator), R(22), U8(1), | 
| +                B(LdaNamedProperty), R(22), U8(5), U8(4), | 
| +                B(Star), R(23), | 
| +                B(CallProperty0), R(23), R(22), U8(6), | 
| +                B(Star), R(23), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_CreateAsyncFromSyncIterator), R(23), U8(1), | 
| B(Star), R(4), | 
| -                B(Ldar), R(11), | 
| +                B(Ldar), R(12), | 
| B(SwitchOnSmiNoFeedback), U8(6), U8(1), I8(0), | 
| B(LdaSmi), I8(-2), | 
| -  /*   43 E> */ B(TestEqualStrictNoFeedback), R(11), | 
| +  /*   43 E> */ B(TestEqualStrictNoFeedback), R(12), | 
| B(JumpIfTrue), U8(11), | 
| B(LdaSmi), I8(79), | 
| -                B(Star), R(21), | 
| -                B(CallRuntime), U16(Runtime::kAbort), R(21), U8(1), | 
| -  /*   40 S> */ B(LdaUndefined), | 
| B(Star), R(22), | 
| +                B(CallRuntime), U16(Runtime::kAbort), R(22), U8(1), | 
| +  /*   40 S> */ B(LdaUndefined), | 
| +                B(Star), R(23), | 
| /*   40 E> */ B(LdaNamedProperty), R(4), U8(7), U8(14), | 
| -                B(Star), R(24), | 
| -                B(CallProperty0), R(24), R(4), U8(12), | 
| -                B(Star), R(24), | 
| -                B(Mov), R(2), R(23), | 
| -                B(Mov), R(7), R(25), | 
| -                B(CallJSRuntime), U8(%async_function_await_uncaught), R(22), U8(4), | 
| +                B(Star), R(25), | 
| +                B(CallProperty0), R(25), R(4), U8(12), | 
| +                B(Star), R(25), | 
| +                B(Mov), R(2), R(24), | 
| +                B(Mov), R(7), R(26), | 
| +                B(CallJSRuntime), U8(%async_function_await_uncaught), R(23), U8(4), | 
| B(LdaZero), | 
| -                B(Mov), R(2), R(21), | 
| -                B(Mov), R(7), R(22), | 
| -                B(SuspendGenerator), R(21), U8(2), | 
| -                B(Ldar), R(22), | 
| +                B(Mov), R(2), R(22), | 
| +                B(Mov), R(7), R(23), | 
| +                B(SuspendGenerator), R(22), R(0), U8(23), U8(2), | 
| +                B(Ldar), R(23), | 
| /*   57 S> */ B(Return), | 
| +                B(RestoreGeneratorRegisters), R(11), R(0), U8(23), | 
| B(LdaSmi), I8(-2), | 
| -                B(Star), R(11), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(21), U8(1), | 
| -                B(Star), R(22), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(21), U8(1), | 
| +                B(Star), R(12), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(22), U8(1), | 
| B(Star), R(23), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(22), U8(1), | 
| +                B(Star), R(24), | 
| B(LdaZero), | 
| -                B(TestEqualStrictNoFeedback), R(23), | 
| +                B(TestEqualStrictNoFeedback), R(24), | 
| B(JumpIfTrue), U8(28), | 
| B(LdaSmi), I8(2), | 
| -                B(TestEqualStrictNoFeedback), R(23), | 
| +                B(TestEqualStrictNoFeedback), R(24), | 
| B(JumpIfTrue), U8(19), | 
| B(LdaTrue), | 
| -                B(Star), R(25), | 
| -                B(Mov), R(22), R(24), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(24), U8(2), | 
| -                B(Star), R(18), | 
| +                B(Star), R(26), | 
| +                B(Mov), R(23), R(25), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(25), U8(2), | 
| +                B(Star), R(19), | 
| B(LdaZero), | 
| -                B(Star), R(17), | 
| +                B(Star), R(18), | 
| B(Jump), U8(101), | 
| -                B(Ldar), R(22), | 
| +                B(Ldar), R(23), | 
| /*   40 E> */ B(ReThrow), | 
| -                B(Mov), R(22), R(5), | 
| +                B(Mov), R(23), R(5), | 
| /*   40 E> */ B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(5), U8(1), | 
| B(ToBooleanLogicalNot), | 
| B(JumpIfFalse), U8(7), | 
| @@ -121,56 +124,106 @@ bytecodes: [ | 
| B(Mov), R(3), R(0), | 
| B(LdaZero), | 
| B(Star), R(6), | 
| -                B(JumpLoop), U8(147), I8(0), | 
| +                B(JumpLoop), U8(153), I8(0), | 
| B(Jump), U8(40), | 
| -                B(Star), R(21), | 
| +                B(Star), R(22), | 
| B(Ldar), R(closure), | 
| -                B(CreateCatchContext), R(21), U8(10), U8(11), | 
| -                B(Star), R(20), | 
| +                B(CreateCatchContext), R(22), U8(10), U8(11), | 
| +                B(Star), R(21), | 
| B(LdaTheHole), | 
| B(SetPendingMessage), | 
| -                B(Ldar), R(20), | 
| -                B(PushContext), R(21), | 
| +                B(Ldar), R(21), | 
| +                B(PushContext), R(22), | 
| B(LdaSmi), I8(2), | 
| B(TestEqualStrict), R(6), U8(20), | 
| B(JumpIfFalse), U8(6), | 
| B(LdaSmi), I8(1), | 
| B(Star), R(6), | 
| B(LdaImmutableCurrentContextSlot), U8(4), | 
| -                B(Star), R(22), | 
| -                B(CallRuntime), U16(Runtime::kReThrow), R(22), U8(1), | 
| -                B(PopContext), R(21), | 
| +                B(Star), R(23), | 
| +                B(CallRuntime), U16(Runtime::kReThrow), R(23), U8(1), | 
| +                B(PopContext), R(22), | 
| B(LdaSmi), I8(-1), | 
| -                B(Star), R(17), | 
| -                B(Jump), U8(8), | 
| B(Star), R(18), | 
| +                B(Jump), U8(8), | 
| +                B(Star), R(19), | 
| B(LdaSmi), I8(1), | 
| -                B(Star), R(17), | 
| +                B(Star), R(18), | 
| B(LdaTheHole), | 
| B(SetPendingMessage), | 
| -                B(Star), R(19), | 
| +                B(Star), R(20), | 
| B(LdaZero), | 
| B(TestEqualStrict), R(6), U8(21), | 
| -                B(JumpIfTrueConstant), U8(15), | 
| +                B(JumpIfTrueConstant), U8(16), | 
| B(LdaNamedProperty), R(4), U8(12), U8(22), | 
| B(Star), R(9), | 
| B(TestUndetectable), | 
| B(JumpIfFalse), U8(4), | 
| -                B(Jump), U8(248), | 
| +                B(JumpConstant), U8(15), | 
| B(LdaSmi), I8(1), | 
| B(TestEqualStrict), R(6), U8(25), | 
| -                B(JumpIfFalse), U8(139), | 
| +                B(JumpIfFalse), U8(145), | 
| B(Ldar), R(9), | 
| B(TestTypeOf), U8(5), | 
| B(JumpIfFalse), U8(4), | 
| B(Jump), U8(18), | 
| B(Wide), B(LdaSmi), I16(130), | 
| -                B(Star), R(20), | 
| -                B(LdaConstant), U8(13), | 
| B(Star), R(21), | 
| -                B(CallRuntime), U16(Runtime::kNewTypeError), R(20), U8(2), | 
| +                B(LdaConstant), U8(13), | 
| +                B(Star), R(22), | 
| +                B(CallRuntime), U16(Runtime::kNewTypeError), R(21), U8(2), | 
| B(Throw), | 
| -                B(Mov), R(context), R(20), | 
| +                B(Mov), R(context), R(21), | 
| +                B(LdaUndefined), | 
| +                B(Star), R(23), | 
| +                B(Mov), R(9), R(25), | 
| +                B(Mov), R(4), R(26), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_Call), R(25), U8(2), | 
| +                B(Star), R(25), | 
| +                B(Mov), R(2), R(24), | 
| +                B(Mov), R(7), R(26), | 
| +                B(CallJSRuntime), U8(%async_function_await_caught), R(23), U8(4), | 
| +                B(LdaSmi), I8(1), | 
| +                B(Mov), R(2), R(22), | 
| +                B(Mov), R(7), R(23), | 
| +                B(SuspendGenerator), R(22), R(0), U8(23), U8(2), | 
| +                B(Ldar), R(23), | 
| +  /*   57 S> */ B(Return), | 
| +                B(RestoreGeneratorRegisters), R(11), R(0), U8(23), | 
| +                B(LdaSmi), I8(-2), | 
| +                B(Star), R(12), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(22), U8(1), | 
| +                B(Star), R(23), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(22), U8(1), | 
| +                B(Star), R(24), | 
| +                B(LdaZero), | 
| +                B(TestEqualStrictNoFeedback), R(24), | 
| +                B(JumpIfTrue), U8(28), | 
| +                B(LdaSmi), I8(2), | 
| +                B(TestEqualStrictNoFeedback), R(24), | 
| +                B(JumpIfTrue), U8(19), | 
| +                B(LdaTrue), | 
| +                B(Star), R(26), | 
| +                B(Mov), R(23), R(25), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(25), U8(2), | 
| +                B(Star), R(15), | 
| +                B(LdaZero), | 
| +                B(Star), R(14), | 
| +                B(Jump), U8(237), | 
| +                B(Ldar), R(23), | 
| +                B(ReThrow), | 
| +                B(Ldar), R(23), | 
| +                B(Jump), U8(20), | 
| +                B(Star), R(22), | 
| +                B(Ldar), R(closure), | 
| +                B(CreateCatchContext), R(22), U8(10), U8(14), | 
| +                B(Star), R(21), | 
| +                B(LdaTheHole), | 
| +                B(SetPendingMessage), | 
| +                B(Ldar), R(21), | 
| +                B(PushContext), R(22), | 
| +                B(PopContext), R(22), | 
| +                B(Jump), U8(110), | 
| B(LdaUndefined), | 
| B(Star), R(22), | 
| B(Mov), R(9), R(24), | 
| @@ -179,15 +232,16 @@ bytecodes: [ | 
| B(Star), R(24), | 
| B(Mov), R(2), R(23), | 
| B(Mov), R(7), R(25), | 
| -                B(CallJSRuntime), U8(%async_function_await_caught), R(22), U8(4), | 
| -                B(LdaSmi), I8(1), | 
| +                B(CallJSRuntime), U8(%async_function_await_uncaught), R(22), U8(4), | 
| +                B(LdaSmi), I8(2), | 
| B(Mov), R(2), R(21), | 
| B(Mov), R(7), R(22), | 
| -                B(SuspendGenerator), R(21), U8(2), | 
| +                B(SuspendGenerator), R(21), R(0), U8(22), U8(2), | 
| B(Ldar), R(22), | 
| /*   57 S> */ B(Return), | 
| +                B(RestoreGeneratorRegisters), R(11), R(0), U8(22), | 
| B(LdaSmi), I8(-2), | 
| -                B(Star), R(11), | 
| +                B(Star), R(12), | 
| B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(21), U8(1), | 
| B(Star), R(22), | 
| B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(21), U8(1), | 
| @@ -202,142 +256,93 @@ bytecodes: [ | 
| B(Star), R(25), | 
| B(Mov), R(22), R(24), | 
| B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(24), U8(2), | 
| -                B(Star), R(14), | 
| -                B(LdaZero), | 
| -                B(Star), R(13), | 
| -                B(Jump), U8(231), | 
| -                B(Ldar), R(22), | 
| -                B(ReThrow), | 
| -                B(Ldar), R(22), | 
| -                B(Jump), U8(20), | 
| -                B(Star), R(21), | 
| -                B(Ldar), R(closure), | 
| -                B(CreateCatchContext), R(21), U8(10), U8(14), | 
| -                B(Star), R(20), | 
| -                B(LdaTheHole), | 
| -                B(SetPendingMessage), | 
| -                B(Ldar), R(20), | 
| -                B(PushContext), R(21), | 
| -                B(PopContext), R(21), | 
| -                B(Jump), U8(104), | 
| -                B(LdaUndefined), | 
| -                B(Star), R(21), | 
| -                B(Mov), R(9), R(23), | 
| -                B(Mov), R(4), R(24), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_Call), R(23), U8(2), | 
| -                B(Star), R(23), | 
| -                B(Mov), R(2), R(22), | 
| -                B(Mov), R(7), R(24), | 
| -                B(CallJSRuntime), U8(%async_function_await_uncaught), R(21), U8(4), | 
| -                B(LdaSmi), I8(2), | 
| -                B(Mov), R(2), R(20), | 
| -                B(Mov), R(7), R(21), | 
| -                B(SuspendGenerator), R(20), U8(2), | 
| -                B(Ldar), R(21), | 
| -  /*   57 S> */ B(Return), | 
| -                B(LdaSmi), I8(-2), | 
| -                B(Star), R(11), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(20), U8(1), | 
| -                B(Star), R(21), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(20), U8(1), | 
| -                B(Star), R(22), | 
| +                B(Star), R(15), | 
| B(LdaZero), | 
| -                B(TestEqualStrictNoFeedback), R(22), | 
| -                B(JumpIfTrue), U8(28), | 
| -                B(LdaSmi), I8(2), | 
| -                B(TestEqualStrictNoFeedback), R(22), | 
| -                B(JumpIfTrue), U8(19), | 
| -                B(LdaTrue), | 
| -                B(Star), R(24), | 
| -                B(Mov), R(21), R(23), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(23), U8(2), | 
| B(Star), R(14), | 
| -                B(LdaZero), | 
| -                B(Star), R(13), | 
| B(Jump), U8(121), | 
| -                B(Ldar), R(21), | 
| +                B(Ldar), R(22), | 
| B(ReThrow), | 
| -                B(Mov), R(21), R(10), | 
| +                B(Mov), R(22), R(10), | 
| B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(10), U8(1), | 
| B(JumpIfToBooleanFalse), U8(4), | 
| B(Jump), U8(7), | 
| B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(10), U8(1), | 
| -                B(Ldar), R(19), | 
| +                B(Ldar), R(20), | 
| B(SetPendingMessage), | 
| -                B(Ldar), R(17), | 
| -                B(SwitchOnSmiNoFeedback), U8(16), U8(2), I8(0), | 
| +                B(Ldar), R(18), | 
| +                B(SwitchOnSmiNoFeedback), U8(17), U8(2), I8(0), | 
| B(Jump), U8(13), | 
| B(LdaZero), | 
| -                B(Star), R(13), | 
| -                B(Mov), R(18), R(14), | 
| +                B(Star), R(14), | 
| +                B(Mov), R(19), R(15), | 
| B(Jump), U8(83), | 
| -                B(Ldar), R(18), | 
| +                B(Ldar), R(19), | 
| B(ReThrow), | 
| B(LdaUndefined), | 
| -                B(Star), R(17), | 
| +                B(Star), R(18), | 
| B(LdaUndefined), | 
| -                B(Star), R(19), | 
| -                B(Mov), R(7), R(18), | 
| -                B(CallJSRuntime), U8(%promise_resolve), R(17), U8(3), | 
| +                B(Star), R(20), | 
| +                B(Mov), R(7), R(19), | 
| +                B(CallJSRuntime), U8(%promise_resolve), R(18), U8(3), | 
| B(LdaZero), | 
| -                B(Star), R(13), | 
| -                B(Mov), R(7), R(14), | 
| +                B(Star), R(14), | 
| +                B(Mov), R(7), R(15), | 
| B(Jump), U8(59), | 
| B(Jump), U8(45), | 
| -                B(Star), R(17), | 
| +                B(Star), R(18), | 
| B(Ldar), R(closure), | 
| -                B(CreateCatchContext), R(17), U8(10), U8(18), | 
| -                B(Star), R(16), | 
| +                B(CreateCatchContext), R(18), U8(10), U8(19), | 
| +                B(Star), R(17), | 
| B(LdaTheHole), | 
| B(SetPendingMessage), | 
| -                B(Ldar), R(16), | 
| -                B(PushContext), R(17), | 
| +                B(Ldar), R(17), | 
| +                B(PushContext), R(18), | 
| B(LdaUndefined), | 
| -                B(Star), R(18), | 
| +                B(Star), R(19), | 
| B(LdaImmutableCurrentContextSlot), U8(4), | 
| -                B(Star), R(20), | 
| -                B(LdaFalse), | 
| B(Star), R(21), | 
| -                B(Mov), R(7), R(19), | 
| -                B(CallJSRuntime), U8(%promise_internal_reject), R(18), U8(4), | 
| -                B(PopContext), R(17), | 
| +                B(LdaFalse), | 
| +                B(Star), R(22), | 
| +                B(Mov), R(7), R(20), | 
| +                B(CallJSRuntime), U8(%promise_internal_reject), R(19), U8(4), | 
| +                B(PopContext), R(18), | 
| B(LdaZero), | 
| -                B(Star), R(13), | 
| -                B(Mov), R(7), R(14), | 
| +                B(Star), R(14), | 
| +                B(Mov), R(7), R(15), | 
| B(Jump), U8(14), | 
| B(LdaSmi), I8(-1), | 
| -                B(Star), R(13), | 
| -                B(Jump), U8(8), | 
| B(Star), R(14), | 
| +                B(Jump), U8(8), | 
| +                B(Star), R(15), | 
| B(LdaSmi), I8(1), | 
| -                B(Star), R(13), | 
| +                B(Star), R(14), | 
| B(LdaTheHole), | 
| B(SetPendingMessage), | 
| -                B(Star), R(15), | 
| -                B(LdaUndefined), | 
| B(Star), R(16), | 
| -                B(Mov), R(7), R(17), | 
| -                B(CallJSRuntime), U8(%async_function_promise_release), R(16), U8(2), | 
| -                B(Ldar), R(15), | 
| +                B(LdaUndefined), | 
| +                B(Star), R(17), | 
| +                B(Mov), R(7), R(18), | 
| +                B(CallJSRuntime), U8(%async_function_promise_release), R(17), U8(2), | 
| +                B(Ldar), R(16), | 
| B(SetPendingMessage), | 
| -                B(Ldar), R(13), | 
| -                B(SwitchOnSmiNoFeedback), U8(19), U8(2), I8(0), | 
| -                B(Jump), U8(8), | 
| B(Ldar), R(14), | 
| +                B(SwitchOnSmiNoFeedback), U8(20), U8(2), I8(0), | 
| +                B(Jump), U8(8), | 
| +                B(Ldar), R(15), | 
| /*   57 S> */ B(Return), | 
| -                B(Ldar), R(14), | 
| +                B(Ldar), R(15), | 
| B(ReThrow), | 
| B(LdaUndefined), | 
| /*   57 S> */ B(Return), | 
| ] | 
| constant pool: [ | 
| -  Smi [99], | 
| -  Smi [395], | 
| -  Smi [505], | 
| +  Smi [102], | 
| +  Smi [406], | 
| +  Smi [522], | 
| TUPLE2_TYPE, | 
| SYMBOL_TYPE, | 
| SYMBOL_TYPE, | 
| -  Smi [57], | 
| +  Smi [59], | 
| ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"], | 
| ONE_BYTE_INTERNALIZED_STRING_TYPE ["done"], | 
| ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"], | 
| @@ -346,7 +351,8 @@ constant pool: [ | 
| ONE_BYTE_INTERNALIZED_STRING_TYPE ["return"], | 
| ONE_BYTE_INTERNALIZED_STRING_TYPE [""], | 
| FIXED_ARRAY_TYPE, | 
| -  Smi [259], | 
| +  Smi [260], | 
| +  Smi [271], | 
| Smi [6], | 
| Smi [14], | 
| FIXED_ARRAY_TYPE, | 
| @@ -354,11 +360,11 @@ constant pool: [ | 
| Smi [9], | 
| ] | 
| handlers: [ | 
| -  [56, 670, 676], | 
| -  [59, 625, 627], | 
| -  [65, 303, 309], | 
| -  [68, 263, 265], | 
| -  [370, 458, 460], | 
| +  [62, 694, 700], | 
| +  [65, 649, 651], | 
| +  [71, 315, 321], | 
| +  [74, 275, 277], | 
| +  [382, 476, 478], | 
| ] | 
|  | 
| --- | 
| @@ -368,98 +374,101 @@ snippet: " | 
| } | 
| f(); | 
| " | 
| -frame size: 26 | 
| +frame size: 27 | 
| parameter count: 1 | 
| -bytecode array length: 743 | 
| +bytecode array length: 767 | 
| bytecodes: [ | 
| +                B(Mov), R(new_target), R(11), | 
| B(Ldar), R(new_target), | 
| B(JumpIfUndefined), U8(25), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetContext), R(new_target), U8(1), | 
| -                B(PushContext), R(12), | 
| -                B(ResumeGenerator), R(new_target), | 
| -                B(Star), R(11), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetContext), R(11), U8(1), | 
| +                B(PushContext), R(13), | 
| +                B(RestoreGeneratorState), R(11), | 
| +                B(Star), R(12), | 
| B(SwitchOnSmiNoFeedback), U8(0), U8(3), I8(0), | 
| B(LdaSmi), I8(79), | 
| -                B(Star), R(13), | 
| -                B(CallRuntime), U16(Runtime::kAbort), R(13), U8(1), | 
| +                B(Star), R(14), | 
| +                B(CallRuntime), U16(Runtime::kAbort), R(14), U8(1), | 
| B(LdaSmi), I8(-2), | 
| -                B(Star), R(11), | 
| -                B(Mov), R(closure), R(13), | 
| -                B(Mov), R(this), R(14), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_CreateJSGeneratorObject), R(13), U8(2), | 
| +                B(Star), R(12), | 
| +                B(Mov), R(closure), R(14), | 
| +                B(Mov), R(this), R(15), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_CreateJSGeneratorObject), R(14), U8(2), | 
| B(Star), R(2), | 
| /*   16 E> */ B(StackCheck), | 
| B(LdaUndefined), | 
| -                B(Star), R(13), | 
| -                B(CallJSRuntime), U8(%async_function_promise_create), R(13), U8(1), | 
| +                B(Star), R(14), | 
| +                B(CallJSRuntime), U8(%async_function_promise_create), R(14), U8(1), | 
| B(Star), R(7), | 
| -                B(Mov), R(context), R(15), | 
| B(Mov), R(context), R(16), | 
| +                B(Mov), R(2), R(11), | 
| +                B(Mov), R(context), R(17), | 
| B(LdaZero), | 
| B(Star), R(6), | 
| -                B(Mov), R(context), R(19), | 
| B(Mov), R(context), R(20), | 
| +                B(Mov), R(context), R(21), | 
| /*   43 S> */ B(CreateArrayLiteral), U8(3), U8(3), U8(17), | 
| -                B(Star), R(21), | 
| -                B(LdaNamedProperty), R(21), U8(4), U8(8), | 
| +                B(Star), R(22), | 
| +                B(LdaNamedProperty), R(22), U8(4), U8(8), | 
| B(JumpIfUndefined), U8(17), | 
| B(JumpIfNull), U8(15), | 
| -                B(Star), R(22), | 
| -                B(CallProperty0), R(22), R(21), U8(10), | 
| +                B(Star), R(23), | 
| +                B(CallProperty0), R(23), R(22), U8(10), | 
| B(JumpIfJSReceiver), U8(23), | 
| B(CallRuntime), U16(Runtime::kThrowSymbolAsyncIteratorInvalid), R(0), U8(0), | 
| -                B(LdaNamedProperty), R(21), U8(5), U8(4), | 
| -                B(Star), R(22), | 
| -                B(CallProperty0), R(22), R(21), U8(6), | 
| -                B(Star), R(22), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_CreateAsyncFromSyncIterator), R(22), U8(1), | 
| +                B(LdaNamedProperty), R(22), U8(5), U8(4), | 
| +                B(Star), R(23), | 
| +                B(CallProperty0), R(23), R(22), U8(6), | 
| +                B(Star), R(23), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_CreateAsyncFromSyncIterator), R(23), U8(1), | 
| B(Star), R(4), | 
| -                B(Ldar), R(11), | 
| +                B(Ldar), R(12), | 
| B(SwitchOnSmiNoFeedback), U8(6), U8(1), I8(0), | 
| B(LdaSmi), I8(-2), | 
| -  /*   43 E> */ B(TestEqualStrictNoFeedback), R(11), | 
| +  /*   43 E> */ B(TestEqualStrictNoFeedback), R(12), | 
| B(JumpIfTrue), U8(11), | 
| B(LdaSmi), I8(79), | 
| -                B(Star), R(21), | 
| -                B(CallRuntime), U16(Runtime::kAbort), R(21), U8(1), | 
| -  /*   40 S> */ B(LdaUndefined), | 
| B(Star), R(22), | 
| +                B(CallRuntime), U16(Runtime::kAbort), R(22), U8(1), | 
| +  /*   40 S> */ B(LdaUndefined), | 
| +                B(Star), R(23), | 
| /*   40 E> */ B(LdaNamedProperty), R(4), U8(7), U8(14), | 
| -                B(Star), R(24), | 
| -                B(CallProperty0), R(24), R(4), U8(12), | 
| -                B(Star), R(24), | 
| -                B(Mov), R(2), R(23), | 
| -                B(Mov), R(7), R(25), | 
| -                B(CallJSRuntime), U8(%async_function_await_uncaught), R(22), U8(4), | 
| +                B(Star), R(25), | 
| +                B(CallProperty0), R(25), R(4), U8(12), | 
| +                B(Star), R(25), | 
| +                B(Mov), R(2), R(24), | 
| +                B(Mov), R(7), R(26), | 
| +                B(CallJSRuntime), U8(%async_function_await_uncaught), R(23), U8(4), | 
| B(LdaZero), | 
| -                B(Mov), R(2), R(21), | 
| -                B(Mov), R(7), R(22), | 
| -                B(SuspendGenerator), R(21), U8(2), | 
| -                B(Ldar), R(22), | 
| +                B(Mov), R(2), R(22), | 
| +                B(Mov), R(7), R(23), | 
| +                B(SuspendGenerator), R(22), R(0), U8(23), U8(2), | 
| +                B(Ldar), R(23), | 
| /*   68 S> */ B(Return), | 
| +                B(RestoreGeneratorRegisters), R(11), R(0), U8(23), | 
| B(LdaSmi), I8(-2), | 
| -                B(Star), R(11), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(21), U8(1), | 
| -                B(Star), R(22), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(21), U8(1), | 
| +                B(Star), R(12), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(22), U8(1), | 
| B(Star), R(23), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(22), U8(1), | 
| +                B(Star), R(24), | 
| B(LdaZero), | 
| -                B(TestEqualStrictNoFeedback), R(23), | 
| +                B(TestEqualStrictNoFeedback), R(24), | 
| B(JumpIfTrue), U8(28), | 
| B(LdaSmi), I8(2), | 
| -                B(TestEqualStrictNoFeedback), R(23), | 
| +                B(TestEqualStrictNoFeedback), R(24), | 
| B(JumpIfTrue), U8(19), | 
| B(LdaTrue), | 
| -                B(Star), R(25), | 
| -                B(Mov), R(22), R(24), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(24), U8(2), | 
| -                B(Star), R(18), | 
| +                B(Star), R(26), | 
| +                B(Mov), R(23), R(25), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(25), U8(2), | 
| +                B(Star), R(19), | 
| B(LdaZero), | 
| -                B(Star), R(17), | 
| +                B(Star), R(18), | 
| B(Jump), U8(104), | 
| -                B(Ldar), R(22), | 
| +                B(Ldar), R(23), | 
| /*   40 E> */ B(ReThrow), | 
| -                B(Mov), R(22), R(5), | 
| +                B(Mov), R(23), R(5), | 
| /*   40 E> */ B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(5), U8(1), | 
| B(ToBooleanLogicalNot), | 
| B(JumpIfFalse), U8(7), | 
| @@ -474,58 +483,108 @@ bytecodes: [ | 
| /*   23 E> */ B(StackCheck), | 
| B(Mov), R(3), R(0), | 
| /*   56 S> */ B(LdaSmi), I8(1), | 
| -                B(Star), R(17), | 
| -                B(Mov), R(0), R(18), | 
| +                B(Star), R(18), | 
| +                B(Mov), R(0), R(19), | 
| B(Jump), U8(54), | 
| B(Jump), U8(40), | 
| -                B(Star), R(21), | 
| +                B(Star), R(22), | 
| B(Ldar), R(closure), | 
| -                B(CreateCatchContext), R(21), U8(10), U8(11), | 
| -                B(Star), R(20), | 
| +                B(CreateCatchContext), R(22), U8(10), U8(11), | 
| +                B(Star), R(21), | 
| B(LdaTheHole), | 
| B(SetPendingMessage), | 
| -                B(Ldar), R(20), | 
| -                B(PushContext), R(21), | 
| +                B(Ldar), R(21), | 
| +                B(PushContext), R(22), | 
| B(LdaSmi), I8(2), | 
| B(TestEqualStrict), R(6), U8(20), | 
| B(JumpIfFalse), U8(6), | 
| B(LdaSmi), I8(1), | 
| B(Star), R(6), | 
| B(LdaImmutableCurrentContextSlot), U8(4), | 
| -                B(Star), R(22), | 
| -                B(CallRuntime), U16(Runtime::kReThrow), R(22), U8(1), | 
| -                B(PopContext), R(21), | 
| +                B(Star), R(23), | 
| +                B(CallRuntime), U16(Runtime::kReThrow), R(23), U8(1), | 
| +                B(PopContext), R(22), | 
| B(LdaSmi), I8(-1), | 
| -                B(Star), R(17), | 
| -                B(Jump), U8(8), | 
| B(Star), R(18), | 
| +                B(Jump), U8(8), | 
| +                B(Star), R(19), | 
| B(LdaSmi), I8(2), | 
| -                B(Star), R(17), | 
| +                B(Star), R(18), | 
| B(LdaTheHole), | 
| B(SetPendingMessage), | 
| -                B(Star), R(19), | 
| +                B(Star), R(20), | 
| B(LdaZero), | 
| B(TestEqualStrict), R(6), U8(21), | 
| -                B(JumpIfTrueConstant), U8(15), | 
| +                B(JumpIfTrueConstant), U8(16), | 
| B(LdaNamedProperty), R(4), U8(12), U8(22), | 
| B(Star), R(9), | 
| B(TestUndetectable), | 
| B(JumpIfFalse), U8(4), | 
| -                B(Jump), U8(248), | 
| +                B(JumpConstant), U8(15), | 
| B(LdaSmi), I8(1), | 
| B(TestEqualStrict), R(6), U8(25), | 
| -                B(JumpIfFalse), U8(139), | 
| +                B(JumpIfFalse), U8(145), | 
| B(Ldar), R(9), | 
| B(TestTypeOf), U8(5), | 
| B(JumpIfFalse), U8(4), | 
| B(Jump), U8(18), | 
| B(Wide), B(LdaSmi), I16(130), | 
| -                B(Star), R(20), | 
| -                B(LdaConstant), U8(13), | 
| B(Star), R(21), | 
| -                B(CallRuntime), U16(Runtime::kNewTypeError), R(20), U8(2), | 
| +                B(LdaConstant), U8(13), | 
| +                B(Star), R(22), | 
| +                B(CallRuntime), U16(Runtime::kNewTypeError), R(21), U8(2), | 
| B(Throw), | 
| -                B(Mov), R(context), R(20), | 
| +                B(Mov), R(context), R(21), | 
| +                B(LdaUndefined), | 
| +                B(Star), R(23), | 
| +                B(Mov), R(9), R(25), | 
| +                B(Mov), R(4), R(26), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_Call), R(25), U8(2), | 
| +                B(Star), R(25), | 
| +                B(Mov), R(2), R(24), | 
| +                B(Mov), R(7), R(26), | 
| +                B(CallJSRuntime), U8(%async_function_await_caught), R(23), U8(4), | 
| +                B(LdaSmi), I8(1), | 
| +                B(Mov), R(2), R(22), | 
| +                B(Mov), R(7), R(23), | 
| +                B(SuspendGenerator), R(22), R(0), U8(23), U8(2), | 
| +                B(Ldar), R(23), | 
| +  /*   68 S> */ B(Return), | 
| +                B(RestoreGeneratorRegisters), R(11), R(0), U8(23), | 
| +                B(LdaSmi), I8(-2), | 
| +                B(Star), R(12), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(22), U8(1), | 
| +                B(Star), R(23), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(22), U8(1), | 
| +                B(Star), R(24), | 
| +                B(LdaZero), | 
| +                B(TestEqualStrictNoFeedback), R(24), | 
| +                B(JumpIfTrue), U8(28), | 
| +                B(LdaSmi), I8(2), | 
| +                B(TestEqualStrictNoFeedback), R(24), | 
| +                B(JumpIfTrue), U8(19), | 
| +                B(LdaTrue), | 
| +                B(Star), R(26), | 
| +                B(Mov), R(23), R(25), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(25), U8(2), | 
| +                B(Star), R(15), | 
| +                B(LdaZero), | 
| +                B(Star), R(14), | 
| +                B(Jump), U8(246), | 
| +                B(Ldar), R(23), | 
| +                B(ReThrow), | 
| +                B(Ldar), R(23), | 
| +                B(Jump), U8(20), | 
| +                B(Star), R(22), | 
| +                B(Ldar), R(closure), | 
| +                B(CreateCatchContext), R(22), U8(10), U8(14), | 
| +                B(Star), R(21), | 
| +                B(LdaTheHole), | 
| +                B(SetPendingMessage), | 
| +                B(Ldar), R(21), | 
| +                B(PushContext), R(22), | 
| +                B(PopContext), R(22), | 
| +                B(Jump), U8(110), | 
| B(LdaUndefined), | 
| B(Star), R(22), | 
| B(Mov), R(9), R(24), | 
| @@ -534,15 +593,16 @@ bytecodes: [ | 
| B(Star), R(24), | 
| B(Mov), R(2), R(23), | 
| B(Mov), R(7), R(25), | 
| -                B(CallJSRuntime), U8(%async_function_await_caught), R(22), U8(4), | 
| -                B(LdaSmi), I8(1), | 
| +                B(CallJSRuntime), U8(%async_function_await_uncaught), R(22), U8(4), | 
| +                B(LdaSmi), I8(2), | 
| B(Mov), R(2), R(21), | 
| B(Mov), R(7), R(22), | 
| -                B(SuspendGenerator), R(21), U8(2), | 
| +                B(SuspendGenerator), R(21), R(0), U8(22), U8(2), | 
| B(Ldar), R(22), | 
| /*   68 S> */ B(Return), | 
| +                B(RestoreGeneratorRegisters), R(11), R(0), U8(22), | 
| B(LdaSmi), I8(-2), | 
| -                B(Star), R(11), | 
| +                B(Star), R(12), | 
| B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(21), U8(1), | 
| B(Star), R(22), | 
| B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(21), U8(1), | 
| @@ -557,153 +617,104 @@ bytecodes: [ | 
| B(Star), R(25), | 
| B(Mov), R(22), R(24), | 
| B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(24), U8(2), | 
| -                B(Star), R(14), | 
| -                B(LdaZero), | 
| -                B(Star), R(13), | 
| -                B(Jump), U8(240), | 
| -                B(Ldar), R(22), | 
| -                B(ReThrow), | 
| -                B(Ldar), R(22), | 
| -                B(Jump), U8(20), | 
| -                B(Star), R(21), | 
| -                B(Ldar), R(closure), | 
| -                B(CreateCatchContext), R(21), U8(10), U8(14), | 
| -                B(Star), R(20), | 
| -                B(LdaTheHole), | 
| -                B(SetPendingMessage), | 
| -                B(Ldar), R(20), | 
| -                B(PushContext), R(21), | 
| -                B(PopContext), R(21), | 
| -                B(Jump), U8(104), | 
| -                B(LdaUndefined), | 
| -                B(Star), R(21), | 
| -                B(Mov), R(9), R(23), | 
| -                B(Mov), R(4), R(24), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_Call), R(23), U8(2), | 
| -                B(Star), R(23), | 
| -                B(Mov), R(2), R(22), | 
| -                B(Mov), R(7), R(24), | 
| -                B(CallJSRuntime), U8(%async_function_await_uncaught), R(21), U8(4), | 
| -                B(LdaSmi), I8(2), | 
| -                B(Mov), R(2), R(20), | 
| -                B(Mov), R(7), R(21), | 
| -                B(SuspendGenerator), R(20), U8(2), | 
| -                B(Ldar), R(21), | 
| -  /*   68 S> */ B(Return), | 
| -                B(LdaSmi), I8(-2), | 
| -                B(Star), R(11), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(20), U8(1), | 
| -                B(Star), R(21), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(20), U8(1), | 
| -                B(Star), R(22), | 
| +                B(Star), R(15), | 
| B(LdaZero), | 
| -                B(TestEqualStrictNoFeedback), R(22), | 
| -                B(JumpIfTrue), U8(28), | 
| -                B(LdaSmi), I8(2), | 
| -                B(TestEqualStrictNoFeedback), R(22), | 
| -                B(JumpIfTrue), U8(19), | 
| -                B(LdaTrue), | 
| -                B(Star), R(24), | 
| -                B(Mov), R(21), R(23), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(23), U8(2), | 
| B(Star), R(14), | 
| -                B(LdaZero), | 
| -                B(Star), R(13), | 
| B(Jump), U8(130), | 
| -                B(Ldar), R(21), | 
| +                B(Ldar), R(22), | 
| B(ReThrow), | 
| -                B(Mov), R(21), R(10), | 
| +                B(Mov), R(22), R(10), | 
| B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(10), U8(1), | 
| B(JumpIfToBooleanFalse), U8(4), | 
| B(Jump), U8(7), | 
| B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(10), U8(1), | 
| -                B(Ldar), R(19), | 
| +                B(Ldar), R(20), | 
| B(SetPendingMessage), | 
| -                B(Ldar), R(17), | 
| -                B(SwitchOnSmiNoFeedback), U8(16), U8(3), I8(0), | 
| +                B(Ldar), R(18), | 
| +                B(SwitchOnSmiNoFeedback), U8(17), U8(3), I8(0), | 
| B(Jump), U8(22), | 
| B(LdaZero), | 
| -                B(Star), R(13), | 
| -                B(Mov), R(18), R(14), | 
| +                B(Star), R(14), | 
| +                B(Mov), R(19), R(15), | 
| B(Jump), U8(92), | 
| B(LdaSmi), I8(1), | 
| -                B(Star), R(13), | 
| -                B(Mov), R(18), R(14), | 
| +                B(Star), R(14), | 
| +                B(Mov), R(19), R(15), | 
| B(Jump), U8(83), | 
| -                B(Ldar), R(18), | 
| +                B(Ldar), R(19), | 
| B(ReThrow), | 
| B(LdaUndefined), | 
| -                B(Star), R(17), | 
| +                B(Star), R(18), | 
| B(LdaUndefined), | 
| -                B(Star), R(19), | 
| -                B(Mov), R(7), R(18), | 
| -                B(CallJSRuntime), U8(%promise_resolve), R(17), U8(3), | 
| +                B(Star), R(20), | 
| +                B(Mov), R(7), R(19), | 
| +                B(CallJSRuntime), U8(%promise_resolve), R(18), U8(3), | 
| B(LdaZero), | 
| -                B(Star), R(13), | 
| -                B(Mov), R(7), R(14), | 
| +                B(Star), R(14), | 
| +                B(Mov), R(7), R(15), | 
| B(Jump), U8(59), | 
| B(Jump), U8(45), | 
| -                B(Star), R(17), | 
| +                B(Star), R(18), | 
| B(Ldar), R(closure), | 
| -                B(CreateCatchContext), R(17), U8(10), U8(19), | 
| -                B(Star), R(16), | 
| +                B(CreateCatchContext), R(18), U8(10), U8(20), | 
| +                B(Star), R(17), | 
| B(LdaTheHole), | 
| B(SetPendingMessage), | 
| -                B(Ldar), R(16), | 
| -                B(PushContext), R(17), | 
| +                B(Ldar), R(17), | 
| +                B(PushContext), R(18), | 
| B(LdaUndefined), | 
| -                B(Star), R(18), | 
| +                B(Star), R(19), | 
| B(LdaImmutableCurrentContextSlot), U8(4), | 
| -                B(Star), R(20), | 
| -                B(LdaFalse), | 
| B(Star), R(21), | 
| -                B(Mov), R(7), R(19), | 
| -                B(CallJSRuntime), U8(%promise_internal_reject), R(18), U8(4), | 
| -                B(PopContext), R(17), | 
| +                B(LdaFalse), | 
| +                B(Star), R(22), | 
| +                B(Mov), R(7), R(20), | 
| +                B(CallJSRuntime), U8(%promise_internal_reject), R(19), U8(4), | 
| +                B(PopContext), R(18), | 
| B(LdaZero), | 
| -                B(Star), R(13), | 
| -                B(Mov), R(7), R(14), | 
| +                B(Star), R(14), | 
| +                B(Mov), R(7), R(15), | 
| B(Jump), U8(14), | 
| B(LdaSmi), I8(-1), | 
| -                B(Star), R(13), | 
| -                B(Jump), U8(8), | 
| B(Star), R(14), | 
| +                B(Jump), U8(8), | 
| +                B(Star), R(15), | 
| B(LdaSmi), I8(2), | 
| -                B(Star), R(13), | 
| +                B(Star), R(14), | 
| B(LdaTheHole), | 
| B(SetPendingMessage), | 
| -                B(Star), R(15), | 
| -                B(LdaUndefined), | 
| B(Star), R(16), | 
| -                B(Mov), R(7), R(17), | 
| -                B(CallJSRuntime), U8(%async_function_promise_release), R(16), U8(2), | 
| -                B(Ldar), R(15), | 
| +                B(LdaUndefined), | 
| +                B(Star), R(17), | 
| +                B(Mov), R(7), R(18), | 
| +                B(CallJSRuntime), U8(%async_function_promise_release), R(17), U8(2), | 
| +                B(Ldar), R(16), | 
| B(SetPendingMessage), | 
| -                B(Ldar), R(13), | 
| -                B(SwitchOnSmiNoFeedback), U8(20), U8(3), I8(0), | 
| -                B(Jump), U8(24), | 
| B(Ldar), R(14), | 
| +                B(SwitchOnSmiNoFeedback), U8(21), U8(3), I8(0), | 
| +                B(Jump), U8(24), | 
| +                B(Ldar), R(15), | 
| /*   68 S> */ B(Return), | 
| B(LdaUndefined), | 
| -                B(Star), R(16), | 
| -                B(Mov), R(7), R(17), | 
| -                B(Mov), R(14), R(18), | 
| -                B(CallJSRuntime), U8(%promise_resolve), R(16), U8(3), | 
| +                B(Star), R(17), | 
| +                B(Mov), R(7), R(18), | 
| +                B(Mov), R(15), R(19), | 
| +                B(CallJSRuntime), U8(%promise_resolve), R(17), U8(3), | 
| B(Ldar), R(7), | 
| /*   68 S> */ B(Return), | 
| -                B(Ldar), R(14), | 
| +                B(Ldar), R(15), | 
| B(ReThrow), | 
| B(LdaUndefined), | 
| /*   68 S> */ B(Return), | 
| ] | 
| constant pool: [ | 
| -  Smi [99], | 
| -  Smi [398], | 
| -  Smi [508], | 
| +  Smi [102], | 
| +  Smi [409], | 
| +  Smi [525], | 
| TUPLE2_TYPE, | 
| SYMBOL_TYPE, | 
| SYMBOL_TYPE, | 
| -  Smi [57], | 
| +  Smi [59], | 
| ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"], | 
| ONE_BYTE_INTERNALIZED_STRING_TYPE ["done"], | 
| ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"], | 
| @@ -712,7 +723,8 @@ constant pool: [ | 
| ONE_BYTE_INTERNALIZED_STRING_TYPE ["return"], | 
| ONE_BYTE_INTERNALIZED_STRING_TYPE [""], | 
| FIXED_ARRAY_TYPE, | 
| -  Smi [259], | 
| +  Smi [260], | 
| +  Smi [271], | 
| Smi [6], | 
| Smi [14], | 
| Smi [23], | 
| @@ -722,11 +734,11 @@ constant pool: [ | 
| Smi [25], | 
| ] | 
| handlers: [ | 
| -  [56, 682, 688], | 
| -  [59, 637, 639], | 
| -  [65, 306, 312], | 
| -  [68, 266, 268], | 
| -  [373, 461, 463], | 
| +  [62, 706, 712], | 
| +  [65, 661, 663], | 
| +  [71, 318, 324], | 
| +  [74, 278, 280], | 
| +  [385, 479, 481], | 
| ] | 
|  | 
| --- | 
| @@ -739,98 +751,101 @@ snippet: " | 
| } | 
| f(); | 
| " | 
| -frame size: 26 | 
| +frame size: 27 | 
| parameter count: 1 | 
| -bytecode array length: 733 | 
| +bytecode array length: 757 | 
| bytecodes: [ | 
| +                B(Mov), R(new_target), R(11), | 
| B(Ldar), R(new_target), | 
| B(JumpIfUndefined), U8(25), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetContext), R(new_target), U8(1), | 
| -                B(PushContext), R(12), | 
| -                B(ResumeGenerator), R(new_target), | 
| -                B(Star), R(11), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetContext), R(11), U8(1), | 
| +                B(PushContext), R(13), | 
| +                B(RestoreGeneratorState), R(11), | 
| +                B(Star), R(12), | 
| B(SwitchOnSmiNoFeedback), U8(0), U8(3), I8(0), | 
| B(LdaSmi), I8(79), | 
| -                B(Star), R(13), | 
| -                B(CallRuntime), U16(Runtime::kAbort), R(13), U8(1), | 
| +                B(Star), R(14), | 
| +                B(CallRuntime), U16(Runtime::kAbort), R(14), U8(1), | 
| B(LdaSmi), I8(-2), | 
| -                B(Star), R(11), | 
| -                B(Mov), R(closure), R(13), | 
| -                B(Mov), R(this), R(14), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_CreateJSGeneratorObject), R(13), U8(2), | 
| +                B(Star), R(12), | 
| +                B(Mov), R(closure), R(14), | 
| +                B(Mov), R(this), R(15), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_CreateJSGeneratorObject), R(14), U8(2), | 
| B(Star), R(2), | 
| /*   16 E> */ B(StackCheck), | 
| B(LdaUndefined), | 
| -                B(Star), R(13), | 
| -                B(CallJSRuntime), U8(%async_function_promise_create), R(13), U8(1), | 
| +                B(Star), R(14), | 
| +                B(CallJSRuntime), U8(%async_function_promise_create), R(14), U8(1), | 
| B(Star), R(7), | 
| -                B(Mov), R(context), R(15), | 
| B(Mov), R(context), R(16), | 
| +                B(Mov), R(2), R(11), | 
| +                B(Mov), R(context), R(17), | 
| B(LdaZero), | 
| B(Star), R(6), | 
| -                B(Mov), R(context), R(19), | 
| B(Mov), R(context), R(20), | 
| +                B(Mov), R(context), R(21), | 
| /*   43 S> */ B(CreateArrayLiteral), U8(3), U8(3), U8(17), | 
| -                B(Star), R(21), | 
| -                B(LdaNamedProperty), R(21), U8(4), U8(8), | 
| +                B(Star), R(22), | 
| +                B(LdaNamedProperty), R(22), U8(4), U8(8), | 
| B(JumpIfUndefined), U8(17), | 
| B(JumpIfNull), U8(15), | 
| -                B(Star), R(22), | 
| -                B(CallProperty0), R(22), R(21), U8(10), | 
| +                B(Star), R(23), | 
| +                B(CallProperty0), R(23), R(22), U8(10), | 
| B(JumpIfJSReceiver), U8(23), | 
| B(CallRuntime), U16(Runtime::kThrowSymbolAsyncIteratorInvalid), R(0), U8(0), | 
| -                B(LdaNamedProperty), R(21), U8(5), U8(4), | 
| -                B(Star), R(22), | 
| -                B(CallProperty0), R(22), R(21), U8(6), | 
| -                B(Star), R(22), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_CreateAsyncFromSyncIterator), R(22), U8(1), | 
| +                B(LdaNamedProperty), R(22), U8(5), U8(4), | 
| +                B(Star), R(23), | 
| +                B(CallProperty0), R(23), R(22), U8(6), | 
| +                B(Star), R(23), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_CreateAsyncFromSyncIterator), R(23), U8(1), | 
| B(Star), R(4), | 
| -                B(Ldar), R(11), | 
| +                B(Ldar), R(12), | 
| B(SwitchOnSmiNoFeedback), U8(6), U8(1), I8(0), | 
| B(LdaSmi), I8(-2), | 
| -  /*   43 E> */ B(TestEqualStrictNoFeedback), R(11), | 
| +  /*   43 E> */ B(TestEqualStrictNoFeedback), R(12), | 
| B(JumpIfTrue), U8(11), | 
| B(LdaSmi), I8(79), | 
| -                B(Star), R(21), | 
| -                B(CallRuntime), U16(Runtime::kAbort), R(21), U8(1), | 
| -  /*   40 S> */ B(LdaUndefined), | 
| B(Star), R(22), | 
| +                B(CallRuntime), U16(Runtime::kAbort), R(22), U8(1), | 
| +  /*   40 S> */ B(LdaUndefined), | 
| +                B(Star), R(23), | 
| /*   40 E> */ B(LdaNamedProperty), R(4), U8(7), U8(14), | 
| -                B(Star), R(24), | 
| -                B(CallProperty0), R(24), R(4), U8(12), | 
| -                B(Star), R(24), | 
| -                B(Mov), R(2), R(23), | 
| -                B(Mov), R(7), R(25), | 
| -                B(CallJSRuntime), U8(%async_function_await_uncaught), R(22), U8(4), | 
| +                B(Star), R(25), | 
| +                B(CallProperty0), R(25), R(4), U8(12), | 
| +                B(Star), R(25), | 
| +                B(Mov), R(2), R(24), | 
| +                B(Mov), R(7), R(26), | 
| +                B(CallJSRuntime), U8(%async_function_await_uncaught), R(23), U8(4), | 
| B(LdaZero), | 
| -                B(Mov), R(2), R(21), | 
| -                B(Mov), R(7), R(22), | 
| -                B(SuspendGenerator), R(21), U8(2), | 
| -                B(Ldar), R(22), | 
| +                B(Mov), R(2), R(22), | 
| +                B(Mov), R(7), R(23), | 
| +                B(SuspendGenerator), R(22), R(0), U8(23), U8(2), | 
| +                B(Ldar), R(23), | 
| /*  114 S> */ B(Return), | 
| +                B(RestoreGeneratorRegisters), R(11), R(0), U8(23), | 
| B(LdaSmi), I8(-2), | 
| -                B(Star), R(11), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(21), U8(1), | 
| -                B(Star), R(22), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(21), U8(1), | 
| +                B(Star), R(12), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(22), U8(1), | 
| B(Star), R(23), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(22), U8(1), | 
| +                B(Star), R(24), | 
| B(LdaZero), | 
| -                B(TestEqualStrictNoFeedback), R(23), | 
| +                B(TestEqualStrictNoFeedback), R(24), | 
| B(JumpIfTrue), U8(28), | 
| B(LdaSmi), I8(2), | 
| -                B(TestEqualStrictNoFeedback), R(23), | 
| +                B(TestEqualStrictNoFeedback), R(24), | 
| B(JumpIfTrue), U8(19), | 
| B(LdaTrue), | 
| -                B(Star), R(25), | 
| -                B(Mov), R(22), R(24), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(24), U8(2), | 
| -                B(Star), R(18), | 
| +                B(Star), R(26), | 
| +                B(Mov), R(23), R(25), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(25), U8(2), | 
| +                B(Star), R(19), | 
| B(LdaZero), | 
| -                B(Star), R(17), | 
| +                B(Star), R(18), | 
| B(Jump), U8(119), | 
| -                B(Ldar), R(22), | 
| +                B(Ldar), R(23), | 
| /*   40 E> */ B(ReThrow), | 
| -                B(Mov), R(22), R(5), | 
| +                B(Mov), R(23), R(5), | 
| /*   40 E> */ B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(5), U8(1), | 
| B(ToBooleanLogicalNot), | 
| B(JumpIfFalse), U8(7), | 
| @@ -854,56 +869,106 @@ bytecodes: [ | 
| /*  103 S> */ B(Jump), U8(8), | 
| B(LdaZero), | 
| B(Star), R(6), | 
| -                B(JumpLoop), U8(165), I8(0), | 
| +                B(JumpLoop), U8(171), I8(0), | 
| B(Jump), U8(40), | 
| -                B(Star), R(21), | 
| +                B(Star), R(22), | 
| B(Ldar), R(closure), | 
| -                B(CreateCatchContext), R(21), U8(10), U8(11), | 
| -                B(Star), R(20), | 
| +                B(CreateCatchContext), R(22), U8(10), U8(11), | 
| +                B(Star), R(21), | 
| B(LdaTheHole), | 
| B(SetPendingMessage), | 
| -                B(Ldar), R(20), | 
| -                B(PushContext), R(21), | 
| +                B(Ldar), R(21), | 
| +                B(PushContext), R(22), | 
| B(LdaSmi), I8(2), | 
| B(TestEqualStrict), R(6), U8(22), | 
| B(JumpIfFalse), U8(6), | 
| B(LdaSmi), I8(1), | 
| B(Star), R(6), | 
| B(LdaImmutableCurrentContextSlot), U8(4), | 
| -                B(Star), R(22), | 
| -                B(CallRuntime), U16(Runtime::kReThrow), R(22), U8(1), | 
| -                B(PopContext), R(21), | 
| +                B(Star), R(23), | 
| +                B(CallRuntime), U16(Runtime::kReThrow), R(23), U8(1), | 
| +                B(PopContext), R(22), | 
| B(LdaSmi), I8(-1), | 
| -                B(Star), R(17), | 
| -                B(Jump), U8(8), | 
| B(Star), R(18), | 
| +                B(Jump), U8(8), | 
| +                B(Star), R(19), | 
| B(LdaSmi), I8(1), | 
| -                B(Star), R(17), | 
| +                B(Star), R(18), | 
| B(LdaTheHole), | 
| B(SetPendingMessage), | 
| -                B(Star), R(19), | 
| +                B(Star), R(20), | 
| B(LdaZero), | 
| B(TestEqualStrict), R(6), U8(23), | 
| -                B(JumpIfTrueConstant), U8(15), | 
| +                B(JumpIfTrueConstant), U8(16), | 
| B(LdaNamedProperty), R(4), U8(12), U8(24), | 
| B(Star), R(9), | 
| B(TestUndetectable), | 
| B(JumpIfFalse), U8(4), | 
| -                B(Jump), U8(248), | 
| +                B(JumpConstant), U8(15), | 
| B(LdaSmi), I8(1), | 
| B(TestEqualStrict), R(6), U8(27), | 
| -                B(JumpIfFalse), U8(139), | 
| +                B(JumpIfFalse), U8(145), | 
| B(Ldar), R(9), | 
| B(TestTypeOf), U8(5), | 
| B(JumpIfFalse), U8(4), | 
| B(Jump), U8(18), | 
| B(Wide), B(LdaSmi), I16(130), | 
| -                B(Star), R(20), | 
| -                B(LdaConstant), U8(13), | 
| B(Star), R(21), | 
| -                B(CallRuntime), U16(Runtime::kNewTypeError), R(20), U8(2), | 
| +                B(LdaConstant), U8(13), | 
| +                B(Star), R(22), | 
| +                B(CallRuntime), U16(Runtime::kNewTypeError), R(21), U8(2), | 
| B(Throw), | 
| -                B(Mov), R(context), R(20), | 
| +                B(Mov), R(context), R(21), | 
| +                B(LdaUndefined), | 
| +                B(Star), R(23), | 
| +                B(Mov), R(9), R(25), | 
| +                B(Mov), R(4), R(26), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_Call), R(25), U8(2), | 
| +                B(Star), R(25), | 
| +                B(Mov), R(2), R(24), | 
| +                B(Mov), R(7), R(26), | 
| +                B(CallJSRuntime), U8(%async_function_await_caught), R(23), U8(4), | 
| +                B(LdaSmi), I8(1), | 
| +                B(Mov), R(2), R(22), | 
| +                B(Mov), R(7), R(23), | 
| +                B(SuspendGenerator), R(22), R(0), U8(23), U8(2), | 
| +                B(Ldar), R(23), | 
| +  /*  114 S> */ B(Return), | 
| +                B(RestoreGeneratorRegisters), R(11), R(0), U8(23), | 
| +                B(LdaSmi), I8(-2), | 
| +                B(Star), R(12), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(22), U8(1), | 
| +                B(Star), R(23), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(22), U8(1), | 
| +                B(Star), R(24), | 
| +                B(LdaZero), | 
| +                B(TestEqualStrictNoFeedback), R(24), | 
| +                B(JumpIfTrue), U8(28), | 
| +                B(LdaSmi), I8(2), | 
| +                B(TestEqualStrictNoFeedback), R(24), | 
| +                B(JumpIfTrue), U8(19), | 
| +                B(LdaTrue), | 
| +                B(Star), R(26), | 
| +                B(Mov), R(23), R(25), | 
| +                B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(25), U8(2), | 
| +                B(Star), R(15), | 
| +                B(LdaZero), | 
| +                B(Star), R(14), | 
| +                B(Jump), U8(237), | 
| +                B(Ldar), R(23), | 
| +                B(ReThrow), | 
| +                B(Ldar), R(23), | 
| +                B(Jump), U8(20), | 
| +                B(Star), R(22), | 
| +                B(Ldar), R(closure), | 
| +                B(CreateCatchContext), R(22), U8(10), U8(14), | 
| +                B(Star), R(21), | 
| +                B(LdaTheHole), | 
| +                B(SetPendingMessage), | 
| +                B(Ldar), R(21), | 
| +                B(PushContext), R(22), | 
| +                B(PopContext), R(22), | 
| +                B(Jump), U8(110), | 
| B(LdaUndefined), | 
| B(Star), R(22), | 
| B(Mov), R(9), R(24), | 
| @@ -912,15 +977,16 @@ bytecodes: [ | 
| B(Star), R(24), | 
| B(Mov), R(2), R(23), | 
| B(Mov), R(7), R(25), | 
| -                B(CallJSRuntime), U8(%async_function_await_caught), R(22), U8(4), | 
| -                B(LdaSmi), I8(1), | 
| +                B(CallJSRuntime), U8(%async_function_await_uncaught), R(22), U8(4), | 
| +                B(LdaSmi), I8(2), | 
| B(Mov), R(2), R(21), | 
| B(Mov), R(7), R(22), | 
| -                B(SuspendGenerator), R(21), U8(2), | 
| +                B(SuspendGenerator), R(21), R(0), U8(22), U8(2), | 
| B(Ldar), R(22), | 
| /*  114 S> */ B(Return), | 
| +                B(RestoreGeneratorRegisters), R(11), R(0), U8(22), | 
| B(LdaSmi), I8(-2), | 
| -                B(Star), R(11), | 
| +                B(Star), R(12), | 
| B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(21), U8(1), | 
| B(Star), R(22), | 
| B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(21), U8(1), | 
| @@ -935,142 +1001,93 @@ bytecodes: [ | 
| B(Star), R(25), | 
| B(Mov), R(22), R(24), | 
| B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(24), U8(2), | 
| -                B(Star), R(14), | 
| -                B(LdaZero), | 
| -                B(Star), R(13), | 
| -                B(Jump), U8(231), | 
| -                B(Ldar), R(22), | 
| -                B(ReThrow), | 
| -                B(Ldar), R(22), | 
| -                B(Jump), U8(20), | 
| -                B(Star), R(21), | 
| -                B(Ldar), R(closure), | 
| -                B(CreateCatchContext), R(21), U8(10), U8(14), | 
| -                B(Star), R(20), | 
| -                B(LdaTheHole), | 
| -                B(SetPendingMessage), | 
| -                B(Ldar), R(20), | 
| -                B(PushContext), R(21), | 
| -                B(PopContext), R(21), | 
| -                B(Jump), U8(104), | 
| -                B(LdaUndefined), | 
| -                B(Star), R(21), | 
| -                B(Mov), R(9), R(23), | 
| -                B(Mov), R(4), R(24), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_Call), R(23), U8(2), | 
| -                B(Star), R(23), | 
| -                B(Mov), R(2), R(22), | 
| -                B(Mov), R(7), R(24), | 
| -                B(CallJSRuntime), U8(%async_function_await_uncaught), R(21), U8(4), | 
| -                B(LdaSmi), I8(2), | 
| -                B(Mov), R(2), R(20), | 
| -                B(Mov), R(7), R(21), | 
| -                B(SuspendGenerator), R(20), U8(2), | 
| -                B(Ldar), R(21), | 
| -  /*  114 S> */ B(Return), | 
| -                B(LdaSmi), I8(-2), | 
| -                B(Star), R(11), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(20), U8(1), | 
| -                B(Star), R(21), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(20), U8(1), | 
| -                B(Star), R(22), | 
| +                B(Star), R(15), | 
| B(LdaZero), | 
| -                B(TestEqualStrictNoFeedback), R(22), | 
| -                B(JumpIfTrue), U8(28), | 
| -                B(LdaSmi), I8(2), | 
| -                B(TestEqualStrictNoFeedback), R(22), | 
| -                B(JumpIfTrue), U8(19), | 
| -                B(LdaTrue), | 
| -                B(Star), R(24), | 
| -                B(Mov), R(21), R(23), | 
| -                B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(23), U8(2), | 
| B(Star), R(14), | 
| -                B(LdaZero), | 
| -                B(Star), R(13), | 
| B(Jump), U8(121), | 
| -                B(Ldar), R(21), | 
| +                B(Ldar), R(22), | 
| B(ReThrow), | 
| -                B(Mov), R(21), R(10), | 
| +                B(Mov), R(22), R(10), | 
| B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(10), U8(1), | 
| B(JumpIfToBooleanFalse), U8(4), | 
| B(Jump), U8(7), | 
| B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(10), U8(1), | 
| -                B(Ldar), R(19), | 
| +                B(Ldar), R(20), | 
| B(SetPendingMessage), | 
| -                B(Ldar), R(17), | 
| -                B(SwitchOnSmiNoFeedback), U8(16), U8(2), I8(0), | 
| +                B(Ldar), R(18), | 
| +                B(SwitchOnSmiNoFeedback), U8(17), U8(2), I8(0), | 
| B(Jump), U8(13), | 
| B(LdaZero), | 
| -                B(Star), R(13), | 
| -                B(Mov), R(18), R(14), | 
| +                B(Star), R(14), | 
| +                B(Mov), R(19), R(15), | 
| B(Jump), U8(83), | 
| -                B(Ldar), R(18), | 
| +                B(Ldar), R(19), | 
| B(ReThrow), | 
| B(LdaUndefined), | 
| -                B(Star), R(17), | 
| +                B(Star), R(18), | 
| B(LdaUndefined), | 
| -                B(Star), R(19), | 
| -                B(Mov), R(7), R(18), | 
| -                B(CallJSRuntime), U8(%promise_resolve), R(17), U8(3), | 
| +                B(Star), R(20), | 
| +                B(Mov), R(7), R(19), | 
| +                B(CallJSRuntime), U8(%promise_resolve), R(18), U8(3), | 
| B(LdaZero), | 
| -                B(Star), R(13), | 
| -                B(Mov), R(7), R(14), | 
| +                B(Star), R(14), | 
| +                B(Mov), R(7), R(15), | 
| B(Jump), U8(59), | 
| B(Jump), U8(45), | 
| -                B(Star), R(17), | 
| +                B(Star), R(18), | 
| B(Ldar), R(closure), | 
| -                B(CreateCatchContext), R(17), U8(10), U8(18), | 
| -                B(Star), R(16), | 
| +                B(CreateCatchContext), R(18), U8(10), U8(19), | 
| +                B(Star), R(17), | 
| B(LdaTheHole), | 
| B(SetPendingMessage), | 
| -                B(Ldar), R(16), | 
| -                B(PushContext), R(17), | 
| +                B(Ldar), R(17), | 
| +                B(PushContext), R(18), | 
| B(LdaUndefined), | 
| -                B(Star), R(18), | 
| +                B(Star), R(19), | 
| B(LdaImmutableCurrentContextSlot), U8(4), | 
| -                B(Star), R(20), | 
| -                B(LdaFalse), | 
| B(Star), R(21), | 
| -                B(Mov), R(7), R(19), | 
| -                B(CallJSRuntime), U8(%promise_internal_reject), R(18), U8(4), | 
| -                B(PopContext), R(17), | 
| +                B(LdaFalse), | 
| +                B(Star), R(22), | 
| +                B(Mov), R(7), R(20), | 
| +                B(CallJSRuntime), U8(%promise_internal_reject), R(19), U8(4), | 
| +                B(PopContext), R(18), | 
| B(LdaZero), | 
| -                B(Star), R(13), | 
| -                B(Mov), R(7), R(14), | 
| +                B(Star), R(14), | 
| +                B(Mov), R(7), R(15), | 
| B(Jump), U8(14), | 
| B(LdaSmi), I8(-1), | 
| -                B(Star), R(13), | 
| -                B(Jump), U8(8), | 
| B(Star), R(14), | 
| +                B(Jump), U8(8), | 
| +                B(Star), R(15), | 
| B(LdaSmi), I8(1), | 
| -                B(Star), R(13), | 
| +                B(Star), R(14), | 
| B(LdaTheHole), | 
| B(SetPendingMessage), | 
| -                B(Star), R(15), | 
| -                B(LdaUndefined), | 
| B(Star), R(16), | 
| -                B(Mov), R(7), R(17), | 
| -                B(CallJSRuntime), U8(%async_function_promise_release), R(16), U8(2), | 
| -                B(Ldar), R(15), | 
| +                B(LdaUndefined), | 
| +                B(Star), R(17), | 
| +                B(Mov), R(7), R(18), | 
| +                B(CallJSRuntime), U8(%async_function_promise_release), R(17), U8(2), | 
| +                B(Ldar), R(16), | 
| B(SetPendingMessage), | 
| -                B(Ldar), R(13), | 
| -                B(SwitchOnSmiNoFeedback), U8(19), U8(2), I8(0), | 
| -                B(Jump), U8(8), | 
| B(Ldar), R(14), | 
| +                B(SwitchOnSmiNoFeedback), U8(20), U8(2), I8(0), | 
| +                B(Jump), U8(8), | 
| +                B(Ldar), R(15), | 
| /*  114 S> */ B(Return), | 
| -                B(Ldar), R(14), | 
| +                B(Ldar), R(15), | 
| B(ReThrow), | 
| B(LdaUndefined), | 
| /*  114 S> */ B(Return), | 
| ] | 
| constant pool: [ | 
| -  Smi [99], | 
| -  Smi [413], | 
| -  Smi [523], | 
| +  Smi [102], | 
| +  Smi [424], | 
| +  Smi [540], | 
| TUPLE2_TYPE, | 
| SYMBOL_TYPE, | 
| SYMBOL_TYPE, | 
| -  Smi [57], | 
| +  Smi [59], | 
| ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"], | 
| ONE_BYTE_INTERNALIZED_STRING_TYPE ["done"], | 
| ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"], | 
| @@ -1079,7 +1096,8 @@ constant pool: [ | 
| ONE_BYTE_INTERNALIZED_STRING_TYPE ["return"], | 
| ONE_BYTE_INTERNALIZED_STRING_TYPE [""], | 
| FIXED_ARRAY_TYPE, | 
| -  Smi [259], | 
| +  Smi [260], | 
| +  Smi [271], | 
| Smi [6], | 
| Smi [14], | 
| FIXED_ARRAY_TYPE, | 
| @@ -1087,11 +1105,11 @@ constant pool: [ | 
| Smi [9], | 
| ] | 
| handlers: [ | 
| -  [56, 688, 694], | 
| -  [59, 643, 645], | 
| -  [65, 321, 327], | 
| -  [68, 281, 283], | 
| -  [388, 476, 478], | 
| +  [62, 712, 718], | 
| +  [65, 667, 669], | 
| +  [71, 333, 339], | 
| +  [74, 293, 295], | 
| +  [400, 494, 496], | 
| ] | 
|  | 
| --- | 
|  |