Improve API calls that return empty handles.

src/x64/macro-assembler-x64.cc

Index: src/x64/macro-assembler-x64.cc
diff --git a/src/x64/macro-assembler-x64.cc b/src/x64/macro-assembler-x64.cc
index e3c9a9240edc0789db7b6fc35d4eda7dc4a1089f..9e6c4c978e83246ad351ce4e5d3d1ffc9f018d5b 100644
--- a/src/x64/macro-assembler-x64.cc
+++ b/src/x64/macro-assembler-x64.cc
@@ -746,14 +746,14 @@ void MacroAssembler::CallApiFunctionAndReturn(Address function_address,
   LeaveApiExitFrame();
   ret(stack_space * kPointerSize);
 
-  bind(&promote_scheduled_exception);
-  TailCallRuntime(Runtime::kPromoteScheduledException, 0, 1);
-
   bind(&empty_result);
   // It was zero; the result is undefined.
-  Move(rax, factory->undefined_value());
+  LoadRoot(rax, Heap::kUndefinedValueRootIndex);
   jmp(&prologue);
 
+  bind(&promote_scheduled_exception);
+  TailCallRuntime(Runtime::kPromoteScheduledException, 0, 1);
+
   // HandleScope limit has changed. Delete allocated extensions.
   bind(&delete_allocated_handles);
   movq(Operand(base_reg, kLimitOffset), prev_limit_reg);