[strong] Refactor ObjectStrength into a replacement for strong boolean args

src/mips/full-codegen-mips.cc

Index: src/mips/full-codegen-mips.cc
diff --git a/src/mips/full-codegen-mips.cc b/src/mips/full-codegen-mips.cc
index c5471b4d0ffaa1602a4b0c303c0c3459d23cdaa3..a3f04194a36e6cd0f2ab4d73b5868ec361457f4d 100644
--- a/src/mips/full-codegen-mips.cc
+++ b/src/mips/full-codegen-mips.cc
@@ -1073,7 +1073,7 @@ void FullCodeGenerator::VisitSwitchStatement(SwitchStatement* stmt) {
     // Record position before stub call for type feedback.
     SetSourcePosition(clause->position());
     Handle<Code> ic = CodeFactory::CompareIC(isolate(), Token::EQ_STRICT,
-                                             language_mode()).code();
+                                             strength(language_mode())).code();
     CallIC(ic, clause->CompareId());
     patch_site.EmitPatchInfo();
 
@@ -2458,8 +2458,8 @@ void FullCodeGenerator::EmitInlineSmiBinaryOp(BinaryOperation* expr,
   patch_site.EmitJumpIfSmi(scratch1, &smi_case);
 
   __ bind(&stub_call);
-  Handle<Code> code = CodeFactory::BinaryOpIC(
-      isolate(), op, language_mode()).code();
+  Handle<Code> code =
+      CodeFactory::BinaryOpIC(isolate(), op, strength(language_mode())).code();
   CallIC(code, expr->BinaryOperationFeedbackId());
   patch_site.EmitPatchInfo();
   __ jmp(&done);
@@ -2611,8 +2611,8 @@ 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, language_mode()).code();
+  Handle<Code> code =
+      CodeFactory::BinaryOpIC(isolate(), op, strength(language_mode())).code();
   JumpPatchSite patch_site(masm_);    // unbound, signals no inlined smi code.
   CallIC(code, expr->BinaryOperationFeedbackId());
   patch_site.EmitPatchInfo();
@@ -5052,8 +5052,8 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
   // Record position before stub call.
   SetSourcePosition(expr->position());
 
-  Handle<Code> code = CodeFactory::BinaryOpIC(
-      isolate(), Token::ADD, language_mode()).code();
+  Handle<Code> code = CodeFactory::BinaryOpIC(isolate(), Token::ADD,
+                                              strength(language_mode())).code();
   CallIC(code, expr->CountBinOpFeedbackId());
   patch_site.EmitPatchInfo();
   __ bind(&done);
@@ -5316,8 +5316,8 @@ void FullCodeGenerator::VisitCompareOperation(CompareOperation* expr) {
       }
       // Record position and call the compare IC.
       SetSourcePosition(expr->position());
-      Handle<Code> ic =
-          CodeFactory::CompareIC(isolate(), op, language_mode()).code();
+      Handle<Code> ic = CodeFactory::CompareIC(
+                            isolate(), op, strength(language_mode())).code();
       CallIC(ic, expr->CompareOperationFeedbackId());
       patch_site.EmitPatchInfo();
       PrepareForBailoutBeforeSplit(expr, true, if_true, if_false);