Do not eagerly instantiate accessors' JSFunction.

src/arm/code-stubs-arm.cc

Index: src/arm/code-stubs-arm.cc
diff --git a/src/arm/code-stubs-arm.cc b/src/arm/code-stubs-arm.cc
index 0dd399ea2c6b6430b325f70e648c07cd5ae66aee..3ea70eac3c64912bba1f08bea96aec3859056232 100644
--- a/src/arm/code-stubs-arm.cc
+++ b/src/arm/code-stubs-arm.cc
@@ -5233,7 +5233,7 @@ static void CallApiFunctionAndReturn(MacroAssembler* masm,
 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 -------------
   //  -- r0                  : callee
   //  -- r4                  : call_data
@@ -5269,8 +5269,10 @@ static void CallApiFunctionStubHelper(MacroAssembler* masm,
 
   // context save
   __ push(context);
-  // load context from callee
-  __ ldr(context, FieldMemOperand(callee, JSFunction::kContextOffset));
+  if (!is_lazy) {
+    // load context from callee
+    __ ldr(context, FieldMemOperand(callee, JSFunction::kContextOffset));
+  }
 
   // callee
   __ push(callee);
@@ -5362,7 +5364,7 @@ static void CallApiFunctionStubHelper(MacroAssembler* masm,
 void CallApiFunctionStub::Generate(MacroAssembler* masm) {
   bool call_data_undefined = this->call_data_undefined();
   CallApiFunctionStubHelper(masm, ParameterCount(r3), false,
-                            call_data_undefined);
+                            call_data_undefined, false);
 }
 
 
@@ -5370,8 +5372,9 @@ 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);
 }