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

test/cctest/interpreter/bytecode_expectations/StandardForLoop.golden

Index: test/cctest/interpreter/bytecode_expectations/StandardForLoop.golden
diff --git a/test/cctest/interpreter/bytecode_expectations/StandardForLoop.golden b/test/cctest/interpreter/bytecode_expectations/StandardForLoop.golden
index d71f1a893d100993df2926012ca5bcf6751753d5..4c57dfa31f2f1741151c6212a22fd0f4d50a088e 100644
--- a/test/cctest/interpreter/bytecode_expectations/StandardForLoop.golden
+++ b/test/cctest/interpreter/bytecode_expectations/StandardForLoop.golden
@@ -273,7 +273,7 @@ snippet: "
 "
 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),
@@ -308,7 +308,6 @@ bytecodes: [
                 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),
@@ -350,14 +349,11 @@ bytecodes: [
                 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: [
@@ -372,7 +368,7 @@ snippet: "
 "
 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),
@@ -407,7 +403,6 @@ bytecodes: [
                 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),
@@ -440,7 +435,7 @@ bytecodes: [
   /*   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),
@@ -451,7 +446,7 @@ bytecodes: [
                 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),
@@ -470,33 +465,29 @@ bytecodes: [
                 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: [