[strong] Implement strong property access semantics

src/ppc/lithium-codegen-ppc.cc

Index: src/ppc/lithium-codegen-ppc.cc
diff --git a/src/ppc/lithium-codegen-ppc.cc b/src/ppc/lithium-codegen-ppc.cc
index 23b270dfaf97c8028dd1590c5e9dbb5447c833de..dea936ee5881481b7323b4f1f87c3fc61149370c 100644
--- a/src/ppc/lithium-codegen-ppc.cc
+++ b/src/ppc/lithium-codegen-ppc.cc
@@ -3039,7 +3039,7 @@ void LCodeGen::DoLoadGlobalGeneric(LLoadGlobalGeneric* instr) {
   __ mov(LoadDescriptor::NameRegister(), Operand(instr->name()));
   EmitVectorLoadICRegisters<LLoadGlobalGeneric>(instr);
   ContextualMode mode = instr->for_typeof() ? NOT_CONTEXTUAL : CONTEXTUAL;
-  Handle<Code> ic = CodeFactory::LoadICInOptimizedCode(isolate(), mode,
+  Handle<Code> ic = CodeFactory::LoadICInOptimizedCode(isolate(), mode, SLOPPY,
                                                        PREMONOMORPHIC).code();
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }
@@ -3155,9 +3155,10 @@ void LCodeGen::DoLoadNamedGeneric(LLoadNamedGeneric* instr) {
   // Name is always in r5.
   __ mov(LoadDescriptor::NameRegister(), Operand(instr->name()));
   EmitVectorLoadICRegisters<LLoadNamedGeneric>(instr);
-  Handle<Code> ic = CodeFactory::LoadICInOptimizedCode(
-                        isolate(), NOT_CONTEXTUAL,
-                        instr->hydrogen()->initialization_state()).code();
+  Handle<Code> ic =
+      CodeFactory::LoadICInOptimizedCode(
+          isolate(), NOT_CONTEXTUAL, instr->hydrogen()->language_mode(),
+          instr->hydrogen()->initialization_state()).code();
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }
 
@@ -3529,9 +3530,9 @@ void LCodeGen::DoLoadKeyedGeneric(LLoadKeyedGeneric* instr) {
     EmitVectorLoadICRegisters<LLoadKeyedGeneric>(instr);
   }
 
-  Handle<Code> ic =
-      CodeFactory::KeyedLoadICInOptimizedCode(
-          isolate(), instr->hydrogen()->initialization_state()).code();
+  Handle<Code> ic = CodeFactory::KeyedLoadICInOptimizedCode(
+                        isolate(), instr->hydrogen()->language_mode(),
+                        instr->hydrogen()->initialization_state()).code();
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }