[strong] Implement strong mode restrictions on property access

src/x87/lithium-codegen-x87.cc

Index: src/x87/lithium-codegen-x87.cc
diff --git a/src/x87/lithium-codegen-x87.cc b/src/x87/lithium-codegen-x87.cc
index 58925cd1cf4c1398e0e96e866723961c2b176d9c..1634ff7688ba9b41cee76e682154b52045b725e4 100644
--- a/src/x87/lithium-codegen-x87.cc
+++ b/src/x87/lithium-codegen-x87.cc
@@ -3163,7 +3163,7 @@ void LCodeGen::DoLoadGlobalGeneric(LLoadGlobalGeneric* instr) {
   __ mov(LoadDescriptor::NameRegister(), 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);
 }
@@ -3273,9 +3273,10 @@ void LCodeGen::DoLoadNamedGeneric(LLoadNamedGeneric* instr) {
 
   __ mov(LoadDescriptor::NameRegister(), 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);
 }
 
@@ -3515,8 +3516,10 @@ void LCodeGen::DoLoadKeyedGeneric(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);
 }