Remove strong mode support from binary operations.

src/full-codegen/mips/full-codegen-mips.cc

Index: src/full-codegen/mips/full-codegen-mips.cc
diff --git a/src/full-codegen/mips/full-codegen-mips.cc b/src/full-codegen/mips/full-codegen-mips.cc
index f9ea310630b9784e881c987a137e5211d440b3d3..0a266eb6b18b55d19d4a9cc6c9dbed82866f7c56 100644
--- a/src/full-codegen/mips/full-codegen-mips.cc
+++ b/src/full-codegen/mips/full-codegen-mips.cc
@@ -966,8 +966,8 @@ void FullCodeGenerator::VisitSwitchStatement(SwitchStatement* stmt) {
 
     // Record position before stub call for type feedback.
     SetExpressionPosition(clause);
-    Handle<Code> ic = CodeFactory::CompareIC(isolate(), Token::EQ_STRICT,
-                                             strength(language_mode())).code();
+    Handle<Code> ic =
+        CodeFactory::CompareIC(isolate(), Token::EQ_STRICT).code();
     CallIC(ic, clause->CompareId());
     patch_site.EmitPatchInfo();
 
@@ -2150,8 +2150,7 @@ void FullCodeGenerator::EmitInlineSmiBinaryOp(BinaryOperation* expr,
   patch_site.EmitJumpIfSmi(scratch1, &smi_case);
 
   __ bind(&stub_call);
-  Handle<Code> code =
-      CodeFactory::BinaryOpIC(isolate(), op, strength(language_mode())).code();
+  Handle<Code> code = CodeFactory::BinaryOpIC(isolate(), op).code();
   CallIC(code, expr->BinaryOperationFeedbackId());
   patch_site.EmitPatchInfo();
   __ jmp(&done);
@@ -2278,8 +2277,7 @@ void FullCodeGenerator::EmitClassDefineProperties(ClassLiteral* lit) {
 void FullCodeGenerator::EmitBinaryOp(BinaryOperation* expr, Token::Value op) {
   __ mov(a0, result_register());
   __ pop(a1);
-  Handle<Code> code =
-      CodeFactory::BinaryOpIC(isolate(), op, strength(language_mode())).code();
+  Handle<Code> code = CodeFactory::BinaryOpIC(isolate(), op).code();
   JumpPatchSite patch_site(masm_);    // unbound, signals no inlined smi code.
   CallIC(code, expr->BinaryOperationFeedbackId());
   patch_site.EmitPatchInfo();
@@ -4113,9 +4111,7 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
 
   SetExpressionPosition(expr);
 
-
-  Handle<Code> code = CodeFactory::BinaryOpIC(isolate(), Token::ADD,
-                                              strength(language_mode())).code();
+  Handle<Code> code = CodeFactory::BinaryOpIC(isolate(), Token::ADD).code();
   CallIC(code, expr->CountBinOpFeedbackId());
   patch_site.EmitPatchInfo();
   __ bind(&done);
@@ -4343,8 +4339,7 @@ void FullCodeGenerator::VisitCompareOperation(CompareOperation* expr) {
         __ bind(&slow_case);
       }
 
-      Handle<Code> ic = CodeFactory::CompareIC(
-                            isolate(), op, strength(language_mode())).code();
+      Handle<Code> ic = CodeFactory::CompareIC(isolate(), op).code();
       CallIC(ic, expr->CompareOperationFeedbackId());
       patch_site.EmitPatchInfo();
       PrepareForBailoutBeforeSplit(expr, true, if_true, if_false);