[ignition] Optimize JSGenerator creation

test/cctest/interpreter/bytecode_expectations/Generators.golden

 #
 # Autogenerated by generate-bytecode-expectations.
 #
 
 ---
 wrap: no
 test function name: f
 
 ---
 snippet: "
   function* f() { }
   f();
 "
 frame size: 12
 parameter count: 1
-bytecode array length: 199
+bytecode array length: 198
 bytecodes: [
                 B(Ldar), R(new_target),
                 B(JumpIfUndefined), U8(27),
                 B(CallRuntime), U16(Runtime::k_GeneratorGetContext), R(new_target), U8(1),
                 B(PushContext), R(2),
                 B(ResumeGenerator), R(new_target),
                 B(Star), R(1),
                 B(LdaZero),
                 B(TestEqualStrictNoFeedback), R(1),
-                B(JumpIfTrue), U8(54),
+                B(JumpIfTrue), U8(53),
                 B(LdaSmi), I8(79),
                 B(Star), R(3),
                 B(CallRuntime), U16(Runtime::kAbort), R(3), U8(1),
                 B(LdaSmi), I8(-2),
                 B(Star), R(1),
                 B(CreateFunctionContext), U8(2),
                 B(PushContext), R(0),
                 B(Ldar), R(this),
                 B(StaCurrentContextSlot), U8(4),
   /*   11 E> */ B(StackCheck),
                 B(Mov), R(context), R(5),
                 B(LdaImmutableCurrentContextSlot), U8(4),
                 B(Star), R(7),
                 B(Mov), R(closure), R(6),
-  /*   11 E> */ B(CallRuntime), U16(Runtime::kCreateJSGeneratorObject), R(6), U8(2),
+  /*   11 E> */ B(InvokeIntrinsic), U8(Runtime::k_CreateJSGeneratorObject), R(6), U8(2),
                 B(StaCurrentContextSlot), U8(5),
                 B(Star), R(6),
                 B(LdaImmutableCurrentContextSlot), U8(5),
                 B(Star), R(7),
                 B(LdaZero),
                 B(SuspendGenerator), R(7), U8(0),
                 B(Ldar), R(6),
   /*   16 S> */ B(Return),
                 B(LdaSmi), I8(-2),
                 B(Star), R(1),
@@ skipping 56 matching lines @@
                 B(Ldar), R(4),
   /*   16 S> */ B(Return),
                 B(Ldar), R(4),
                 B(ReThrow),
                 B(LdaUndefined),
   /*   16 S> */ B(Return),
 ]
 constant pool: [
 ]
 handlers: [
-  [45, 141, 147],
+  [45, 140, 146],
 ]
 
 ---
 snippet: "
   function* f() { yield 42 }
   f();
 "
 frame size: 12
 parameter count: 1
-bytecode array length: 291
+bytecode array length: 290
 bytecodes: [
                 B(Ldar), R(new_target),
                 B(JumpIfUndefined), U8(33),
                 B(CallRuntime), U16(Runtime::k_GeneratorGetContext), R(new_target), U8(1),
                 B(PushContext), R(2),
                 B(ResumeGenerator), R(new_target),
                 B(Star), R(1),
                 B(LdaZero),
                 B(TestEqualStrictNoFeedback), R(1),
-                B(JumpIfTrue), U8(60),
+                B(JumpIfTrue), U8(59),
                 B(LdaSmi), I8(1),
                 B(TestEqualStrictNoFeedback), R(1),
-                B(JumpIfTrue), U8(130),
+                B(JumpIfTrue), U8(129),
                 B(LdaSmi), I8(79),
                 B(Star), R(3),
                 B(CallRuntime), U16(Runtime::kAbort), R(3), U8(1),
                 B(LdaSmi), I8(-2),
                 B(Star), R(1),
                 B(CreateFunctionContext), U8(2),
                 B(PushContext), R(0),
                 B(Ldar), R(this),
                 B(StaCurrentContextSlot), U8(4),
   /*   11 E> */ B(StackCheck),
                 B(Mov), R(context), R(5),
                 B(LdaImmutableCurrentContextSlot), U8(4),
                 B(Star), R(7),
                 B(Mov), R(closure), R(6),
-  /*   11 E> */ B(CallRuntime), U16(Runtime::kCreateJSGeneratorObject), R(6), U8(2),
+  /*   11 E> */ B(InvokeIntrinsic), U8(Runtime::k_CreateJSGeneratorObject), R(6), U8(2),
                 B(StaCurrentContextSlot), U8(5),
                 B(Star), R(6),
                 B(LdaImmutableCurrentContextSlot), U8(5),
                 B(Star), R(7),
                 B(LdaZero),
                 B(SuspendGenerator), R(7), U8(0),
                 B(Ldar), R(6),
   /*   25 S> */ B(Return),
                 B(LdaSmi), I8(-2),
                 B(Star), R(1),
@@ skipping 96 matching lines @@
                 B(Ldar), R(4),
   /*   25 S> */ B(Return),
                 B(Ldar), R(4),
                 B(ReThrow),
                 B(LdaUndefined),
   /*   25 S> */ B(Return),
 ]
 constant pool: [
 ]
 handlers: [
-  [51, 224, 230],
+  [51, 223, 229],
 ]
 
 ---
 snippet: "
   function* f() { for (let x of [42]) yield x }
   f();
 "
 frame size: 18
 parameter count: 1
-bytecode array length: 751
+bytecode array length: 750
 bytecodes: [
                 B(Ldar), R(new_target),
                 B(JumpIfUndefined), U8(33),
                 B(CallRuntime), U16(Runtime::k_GeneratorGetContext), R(new_target), U8(1),
                 B(PushContext), R(4),
                 B(ResumeGenerator), R(new_target),
                 B(Star), R(3),
                 B(LdaZero),
                 B(TestEqualStrictNoFeedback), R(3),
-                B(JumpIfTrue), U8(60),
+                B(JumpIfTrue), U8(59),
                 B(LdaSmi), I8(1),
                 B(TestEqualStrictNoFeedback), R(3),
-                B(JumpIfTrue), U8(152),
+                B(JumpIfTrue), U8(151),
                 B(LdaSmi), I8(79),
                 B(Star), R(5),
                 B(CallRuntime), U16(Runtime::kAbort), R(5), U8(1),
                 B(LdaSmi), I8(-2),
                 B(Star), R(3),
                 B(CreateFunctionContext), U8(9),
                 B(PushContext), R(0),
                 B(Ldar), R(this),
                 B(StaCurrentContextSlot), U8(4),
   /*   11 E> */ B(StackCheck),
                 B(Mov), R(context), R(7),
                 B(LdaImmutableCurrentContextSlot), U8(4),
                 B(Star), R(9),
                 B(Mov), R(closure), R(8),
-  /*   11 E> */ B(CallRuntime), U16(Runtime::kCreateJSGeneratorObject), R(8), U8(2),
+  /*   11 E> */ B(InvokeIntrinsic), U8(Runtime::k_CreateJSGeneratorObject), R(8), U8(2),
                 B(StaCurrentContextSlot), U8(5),
                 B(Star), R(8),
                 B(LdaImmutableCurrentContextSlot), U8(5),
                 B(Star), R(9),
                 B(LdaZero),
                 B(SuspendGenerator), R(9), U8(0),
                 B(Ldar), R(8),
   /*   44 S> */ B(Return),
                 B(LdaSmi), I8(-2),
                 B(Star), R(3),
@@ skipping 290 matching lines @@
   ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"],
   FIXED_ARRAY_TYPE,
   ONE_BYTE_INTERNALIZED_STRING_TYPE [".catch"],
   FIXED_ARRAY_TYPE,
   ONE_BYTE_INTERNALIZED_STRING_TYPE ["return"],
   ONE_BYTE_INTERNALIZED_STRING_TYPE [""],
   FIXED_ARRAY_TYPE,
   Smi [563],
 ]
 handlers: [
-  [51, 675, 681],
-  [146, 437, 443],
-  [149, 393, 395],
-  [530, 546, 548],
+  [51, 674, 680],
+  [145, 436, 442],
+  [148, 392, 394],
+  [529, 545, 547],
 ]