Move closing of generators upon final return to the generator-resume builtin.

test/cctest/interpreter/bytecode_expectations/StandardForLoop.golden

 #
 # Autogenerated by generate-bytecode-expectations.
 #
 
 ---
 wrap: no
 test function name: f
 
 ---
 snippet: "
@@ skipping 255 matching lines @@
 
 ---
 snippet: "
   function* f() {
     for (let x = 0; x < 10; ++x) { let y = x; }
   }
   f();
 "
 frame size: 11
 parameter count: 1
-bytecode array length: 184
+bytecode array length: 172
 bytecodes: [
                 B(Mov), R(new_target), R(7),
                 B(Ldar), R(new_target),
                 B(JumpIfUndefined), U8(25),
                 B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetContext), R(7), U8(1),
                 B(PushContext), R(9),
                 B(RestoreGeneratorState), R(7),
                 B(Star), R(8),
                 B(SwitchOnSmiNoFeedback), U8(0), U8(1), I8(0),
                 B(LdaSmi), I8(79),
@@ skipping 14 matching lines @@
   /*   62 S> */ B(Return),
                 B(RestoreGeneratorRegisters), R(7), R(0), U8(9),
                 B(LdaSmi), I8(-2),
                 B(Star), R(8),
                 B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(7), U8(1),
                 B(Star), R(9),
                 B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(7), U8(1),
                 B(SwitchOnSmiNoFeedback), U8(1), U8(2), I8(0),
                 B(Ldar), R(9),
   /*   11 E> */ B(Throw),
-                B(InvokeIntrinsic), U8(Runtime::k_GeneratorClose), R(7), U8(1),
                 B(Ldar), R(9),
   /*   62 S> */ B(Return),
   /*   31 S> */ B(LdaZero),
                 B(Star), R(2),
                 B(Star), R(4),
                 B(LdaSmi), I8(1),
                 B(Star), R(5),
   /*   60 E> */ B(StackCheck),
                 B(Mov), R(4), R(1),
                 B(LdaSmi), I8(1),
@@ skipping 21 matching lines @@
                 B(Star), R(6),
                 B(Mov), R(0), R(4),
                 B(Ldar), R(4),
                 B(JumpLoop), U8(19), I8(1),
                 B(LdaSmi), I8(1),
   /*   60 E> */ B(TestEqual), R(6), U8(7),
                 B(JumpIfFalse), U8(4),
                 B(Jump), U8(5),
                 B(JumpLoop), U8(68), I8(0),
                 B(LdaUndefined),
-                B(Star), R(9),
-                B(InvokeIntrinsic), U8(Runtime::k_GeneratorClose), R(7), U8(1),
-                B(Ldar), R(9),
   /*   62 S> */ B(Return),
 ]
 constant pool: [
   Smi [45],
-  Smi [14],
+  Smi [10],
   Smi [7],
 ]
 handlers: [
 ]
 
 ---
 snippet: "
   function* f() {
     for (let x = 0; x < 10; ++x) yield x;
   }
   f();
 "
 frame size: 11
 parameter count: 1
-bytecode array length: 276
+bytecode array length: 260
 bytecodes: [
                 B(Mov), R(new_target), R(6),
                 B(Ldar), R(new_target),
                 B(JumpIfUndefined), U8(25),
                 B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetContext), R(6), U8(1),
                 B(PushContext), R(8),
                 B(RestoreGeneratorState), R(6),
                 B(Star), R(7),
                 B(SwitchOnSmiNoFeedback), U8(0), U8(2), I8(0),
                 B(LdaSmi), I8(79),
@@ skipping 14 matching lines @@
   /*   56 S> */ B(Return),
                 B(RestoreGeneratorRegisters), R(6), R(0), U8(8),
                 B(LdaSmi), I8(-2),
                 B(Star), R(7),
                 B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(6), U8(1),
                 B(Star), R(8),
                 B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(6), U8(1),
                 B(SwitchOnSmiNoFeedback), U8(2), U8(2), I8(0),
                 B(Ldar), R(8),
   /*   11 E> */ B(Throw),
-                B(InvokeIntrinsic), U8(Runtime::k_GeneratorClose), R(6), U8(1),
                 B(Ldar), R(8),
   /*   56 S> */ B(Return),
   /*   31 S> */ B(LdaZero),
                 B(Star), R(1),
                 B(Star), R(3),
                 B(LdaSmi), I8(1),
                 B(Star), R(4),
                 B(Ldar), R(7),
                 B(SwitchOnSmiNoFeedback), U8(4), U8(1), I8(1),
                 B(LdaSmi), I8(-2),
@@ skipping 12 matching lines @@
                 B(Jump), U8(8),
   /*   44 S> */ B(Ldar), R(0),
                 B(Inc), U8(4),
                 B(Star), R(0),
                 B(LdaSmi), I8(1),
                 B(Star), R(5),
   /*   36 S> */ B(LdaSmi), I8(10),
   /*   36 E> */ B(TestLessThan), R(0), U8(5),
                 B(JumpIfFalse), U8(4),
                 B(Jump), U8(4),
-                B(Jump), U8(107),
+                B(Jump), U8(103),
                 B(Ldar), R(7),
                 B(SwitchOnSmiNoFeedback), U8(5), U8(1), I8(1),
                 B(LdaSmi), I8(-2),
                 B(TestEqualStrictNoFeedback), R(7),
                 B(JumpIfTrue), U8(11),
                 B(LdaSmi), I8(79),
                 B(Star), R(8),
                 B(CallRuntime), U16(Runtime::kAbort), R(8), U8(1),
                 B(LdaSmi), I8(1),
                 B(TestEqual), R(5), U8(6),
-                B(JumpIfFalse), U8(67),
+                B(JumpIfFalse), U8(63),
   /*   18 E> */ B(StackCheck),
   /*   47 S> */ B(LdaSmi), I8(1),
                 B(Mov), R(0), R(8),
                 B(SuspendGenerator), R(6), R(0), U8(8), U8(0),
                 B(LdaFalse),
                 B(Star), R(10),
                 B(Mov), R(8), R(9),
                 B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(9), U8(2),
   /*   56 S> */ B(Return),
                 B(RestoreGeneratorRegisters), R(6), R(0), U8(8),
                 B(LdaSmi), I8(-2),
                 B(Star), R(7),
                 B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(6), U8(1),
                 B(Star), R(8),
                 B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(6), U8(1),
                 B(SwitchOnSmiNoFeedback), U8(6), U8(2), I8(0),
                 B(Ldar), R(8),
   /*   47 E> */ B(Throw),
-                B(InvokeIntrinsic), U8(Runtime::k_GeneratorClose), R(6), U8(1),
                 B(Ldar), R(8),
   /*   56 S> */ B(Return),
                 B(LdaZero),
                 B(Star), R(5),
                 B(Mov), R(0), R(3),
                 B(Ldar), R(3),
-                B(JumpLoop), U8(90), I8(1),
+                B(JumpLoop), U8(86), I8(1),
                 B(LdaSmi), I8(1),
   /*   54 E> */ B(TestEqual), R(5), U8(7),
                 B(JumpIfFalse), U8(4),
                 B(Jump), U8(5),
-                B(JumpLoop), U8(160), I8(0),
+                B(JumpLoop), U8(156), I8(0),
                 B(LdaUndefined),
-                B(Star), R(8),
-                B(InvokeIntrinsic), U8(Runtime::k_GeneratorClose), R(6), U8(1),
-                B(Ldar), R(8),
   /*   56 S> */ B(Return),
 ]
 constant pool: [
   Smi [45],
-  Smi [86],
-  Smi [14],
+  Smi [82],
+  Smi [10],
   Smi [7],
   Smi [56],
   Smi [48],
-  Smi [14],
+  Smi [10],
   Smi [7],
 ]
 handlers: [
 ]
 
 ---
 snippet: "
   async function f() {
     for (let x = 0; x < 10; ++x) { let y = x; }
   }
@@ skipping 295 matching lines @@
   ONE_BYTE_INTERNALIZED_STRING_TYPE [".catch"],
   FIXED_ARRAY_TYPE,
   Smi [6],
   Smi [9],
 ]
 handlers: [
   [62, 311, 317],
   [65, 266, 268],
 ]