Eliminate extended mode, and other modes clean-up

src/ia32/lithium-codegen-ia32.cc

Index: src/ia32/lithium-codegen-ia32.cc
diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc
index 8e90db83c31933b9fb4bd44bb88875614eaeb9d9..d5cb3d52b8a4e160dd47246b4761fe3351c0c81e 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -179,7 +179,7 @@ bool LCodeGen::GeneratePrologue() {
     // global proxy when called as functions (without an explicit receiver
     // object).
     if (info_->this_has_uses() &&
-        info_->is_sloppy_mode() &&
+        info_->strict_mode() == SLOPPY &&
         !info_->is_native()) {
       Label ok;
       // +1 for return address.
@@ -4400,8 +4400,7 @@ void LCodeGen::DoStoreNamedGeneric(LStoreNamedGeneric* instr) {
   ASSERT(ToRegister(instr->value()).is(eax));
 
   __ mov(ecx, instr->name());
-  Handle<Code> ic = StoreIC::initialize_stub(isolate(),
-                                             instr->strict_mode_flag());
+  Handle<Code> ic = StoreIC::initialize_stub(isolate(), instr->strict_mode());
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }
 
@@ -4652,7 +4651,7 @@ void LCodeGen::DoStoreKeyedGeneric(LStoreKeyedGeneric* instr) {
   ASSERT(ToRegister(instr->key()).is(ecx));
   ASSERT(ToRegister(instr->value()).is(eax));
 
-  Handle<Code> ic = (instr->strict_mode_flag() == kStrictMode)
+  Handle<Code> ic = instr->strict_mode() == STRICT
       ? isolate()->builtins()->KeyedStoreIC_Initialize_Strict()
       : isolate()->builtins()->KeyedStoreIC_Initialize();
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
@@ -5915,7 +5914,7 @@ void LCodeGen::DoFunctionLiteral(LFunctionLiteral* instr) {
   // space for nested functions that don't need literals cloning.
   bool pretenure = instr->hydrogen()->pretenure();
   if (!pretenure && instr->hydrogen()->has_no_literals()) {
-    FastNewClosureStub stub(instr->hydrogen()->language_mode(),
+    FastNewClosureStub stub(instr->hydrogen()->strict_mode(),
                             instr->hydrogen()->is_generator());
     __ mov(ebx, Immediate(instr->hydrogen()->shared_info()));
     CallCode(stub.GetCode(isolate()), RelocInfo::CODE_TARGET, instr);