Fix bug where generators got closed prematurely.

src/full-codegen/arm64/full-codegen-arm64.cc

Index: src/full-codegen/arm64/full-codegen-arm64.cc
diff --git a/src/full-codegen/arm64/full-codegen-arm64.cc b/src/full-codegen/arm64/full-codegen-arm64.cc
index 82f3c218e6bbe206cba946b8f601b282993c04f2..b0fcc1415637f46e64587a61988bbfba11bf19d5 100644
--- a/src/full-codegen/arm64/full-codegen-arm64.cc
+++ b/src/full-codegen/arm64/full-codegen-arm64.cc
@@ -4384,10 +4384,6 @@ void FullCodeGenerator::VisitYield(Yield* expr) {
     }
 
     case Yield::kFinal: {
-      VisitForAccumulatorValue(expr->generator_object());
-      __ Mov(x1, Smi::FromInt(JSGeneratorObject::kGeneratorClosed));
-      __ Str(x1, FieldMemOperand(result_register(),
-                                 JSGeneratorObject::kContinuationOffset));
       // Pop value from top-of-stack slot, box result into result register.
       EmitCreateIteratorResult(true);
       EmitUnwindBeforeReturn();