Revert of Revert of [strong] Implement strong mode restrictions on property access

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 8f6cdd3cf6975e63b925e50c4a1453568a113894..a5639f8568fff1deb5922300f3ae5bdc7bd55db6 100644
--- a/src/arm/lithium-codegen-arm.cc
+++ b/src/arm/lithium-codegen-arm.cc
@@ -2952,7 +2952,7 @@
   __ 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);
 }
@@ -3048,9 +3048,10 @@
   // Name is always in r2.
   __ 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, NEVER_INLINE_TARGET_ADDRESS);
 }
 
@@ -3357,9 +3358,9 @@
     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, NEVER_INLINE_TARGET_ADDRESS);
 }