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

src/mips64/lithium-codegen-mips64.cc

Index: src/mips64/lithium-codegen-mips64.cc
diff --git a/src/mips64/lithium-codegen-mips64.cc b/src/mips64/lithium-codegen-mips64.cc
index 0082a3f50b389b906d7b1f6bd4d37148c5cd132e..8b5dca3ea085579208a9c477753dba0d286e7c61 100644
--- a/src/mips64/lithium-codegen-mips64.cc
+++ b/src/mips64/lithium-codegen-mips64.cc
@@ -2970,7 +2970,7 @@
   __ li(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);
 }
@@ -3085,9 +3085,10 @@
   // Name is always in a2.
   __ li(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);
 }
 
@@ -3454,9 +3455,9 @@
     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);
 }