Do not eagerly instantiate accessors' JSFunction.

src/ia32/code-stubs-ia32.cc

Index: src/ia32/code-stubs-ia32.cc
diff --git a/src/ia32/code-stubs-ia32.cc b/src/ia32/code-stubs-ia32.cc
index ef4a636aac5762264003b5cc3716e477b35f6598..b05b81194d3bed46df2151245961012d5ae387c1 100644
--- a/src/ia32/code-stubs-ia32.cc
+++ b/src/ia32/code-stubs-ia32.cc
@@ -5535,11 +5535,10 @@ static void CallApiFunctionAndReturn(MacroAssembler* masm,
   __ jmp(&leave_exit_frame);
 }
 
-
 static void CallApiFunctionStubHelper(MacroAssembler* masm,
                                       const ParameterCount& argc,
                                       bool return_first_arg,
-                                      bool call_data_undefined) {
+                                      bool call_data_undefined, bool is_lazy) {
   // ----------- S t a t e -------------
   //  -- edi                 : callee
   //  -- ebx                 : call_data
@@ -5613,8 +5612,10 @@ static void CallApiFunctionStubHelper(MacroAssembler* masm,
   // push return address
   __ push(return_address);
 
-  // load context from callee
-  __ mov(context, FieldOperand(callee, JSFunction::kContextOffset));
+  if (!is_lazy) {
+    // load context from callee
+    __ mov(context, FieldOperand(callee, JSFunction::kContextOffset));
+  }
 
   // API function gets reference to the v8::Arguments. If CPU profiler
   // is enabled wrapper function will be called and we need to pass
@@ -5686,7 +5687,7 @@ static void CallApiFunctionStubHelper(MacroAssembler* masm,
 void CallApiFunctionStub::Generate(MacroAssembler* masm) {
   bool call_data_undefined = this->call_data_undefined();
   CallApiFunctionStubHelper(masm, ParameterCount(eax), false,
-                            call_data_undefined);
+                            call_data_undefined, false);
 }
 
 
@@ -5694,8 +5695,9 @@ void CallApiAccessorStub::Generate(MacroAssembler* masm) {
   bool is_store = this->is_store();
   int argc = this->argc();
   bool call_data_undefined = this->call_data_undefined();
+  bool is_lazy = this->is_lazy();
   CallApiFunctionStubHelper(masm, ParameterCount(argc), is_store,
-                            call_data_undefined);
+                            call_data_undefined, is_lazy);
 }