EmitCreateIteratorResult loads map from function's context

src/ia32/full-codegen-ia32.cc

Index: src/ia32/full-codegen-ia32.cc
diff --git a/src/ia32/full-codegen-ia32.cc b/src/ia32/full-codegen-ia32.cc
index de08bd1c3ee154c1cb94e5e3e89c3f12a51ef2da..ffbeff5e4d771a60bdfc83e4e74c75a227e98a9a 100644
--- a/src/ia32/full-codegen-ia32.cc
+++ b/src/ia32/full-codegen-ia32.cc
@@ -2245,22 +2245,25 @@ void FullCodeGenerator::EmitCreateIteratorResult(bool done) {
   Label gc_required;
   Label allocated;
 
-  Handle<Map> map(isolate()->native_context()->iterator_result_map());
+  const int instance_size = 5 * kPointerSize;
+  DCHECK_EQ(isolate()->native_context()->iterator_result_map()->instance_size(),
+            instance_size);
 
-  __ Allocate(map->instance_size(), eax, ecx, edx, &gc_required, TAG_OBJECT);
+  __ Allocate(instance_size, eax, ecx, edx, &gc_required, TAG_OBJECT);
   __ jmp(&allocated);
 
   __ bind(&gc_required);
-  __ Push(Smi::FromInt(map->instance_size()));
+  __ Push(Smi::FromInt(instance_size));
   __ CallRuntime(Runtime::kAllocateInNewSpace, 1);
   __ mov(context_register(),
          Operand(ebp, StandardFrameConstants::kContextOffset));
 
   __ bind(&allocated);
-  __ mov(ebx, map);
+  __ mov(ebx, Operand(esi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
+  __ mov(ebx, FieldOperand(ebx, GlobalObject::kNativeContextOffset));
+  __ mov(ebx, ContextOperand(ebx, Context::ITERATOR_RESULT_MAP_INDEX));
   __ pop(ecx);
   __ mov(edx, isolate()->factory()->ToBoolean(done));
-  DCHECK_EQ(map->instance_size(), 5 * kPointerSize);
   __ mov(FieldOperand(eax, HeapObject::kMapOffset), ebx);
   __ mov(FieldOperand(eax, JSObject::kPropertiesOffset),
          isolate()->factory()->empty_fixed_array());