Refactor polymorphic load and inline function graph construction.

src/arm/lithium-codegen-arm.cc

Index: src/arm/lithium-codegen-arm.cc
diff --git a/src/arm/lithium-codegen-arm.cc b/src/arm/lithium-codegen-arm.cc
index ab58600bbfae9e8a84de669f117ea724d718c3be..afe90159bc3dd520ef48962a9487f00d180f2898 100644
--- a/src/arm/lithium-codegen-arm.cc
+++ b/src/arm/lithium-codegen-arm.cc
@@ -80,8 +80,8 @@ void LCodeGen::FinishCode(Handle<Code> code) {
 
 void LCodeGen::Abort(const char* format, ...) {
   if (FLAG_trace_bailout) {
-    SmartPointer<char> debug_name = graph()->debug_name()->ToCString();
-    PrintF("Aborting LCodeGen in @\"%s\": ", *debug_name);
+    SmartPointer<char> name(info()->shared_info()->DebugName()->ToCString());
+    PrintF("Aborting LCodeGen in @\"%s\": ", *name);
     va_list arguments;
     va_start(arguments, format);
     OS::VPrint(format, arguments);
@@ -2438,7 +2438,7 @@ void LCodeGen::CallKnownFunction(Handle<JSFunction> function,
                                  LInstruction* instr) {
   // Change context if needed.
   bool change_context =
-      (graph()->info()->closure()->context() != function->context()) ||
+      (info()->closure()->context() != function->context()) ||
       scope()->contains_with() ||
       (scope()->num_heap_slots() > 0);
   if (change_context) {