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

src/arm64/full-codegen-arm64.cc

Index: src/arm64/full-codegen-arm64.cc
diff --git a/src/arm64/full-codegen-arm64.cc b/src/arm64/full-codegen-arm64.cc
index 507ce3dab8c9dda37b4ad7e213b9bd72f2155b6b..506ca0ba7fc8c7e615159c9c3ef669cf4148d3b0 100644
--- a/src/arm64/full-codegen-arm64.cc
+++ b/src/arm64/full-codegen-arm64.cc
@@ -1092,7 +1092,7 @@ 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();
 
@@ -2166,8 +2166,8 @@ void FullCodeGenerator::EmitInlineSmiBinaryOp(BinaryOperation* expr,
 
   __ Bind(&stub_call);
 
-  Handle<Code> code = CodeFactory::BinaryOpIC(
-      isolate(), op, language_mode()).code();
+  Handle<Code> code =
+      CodeFactory::BinaryOpIC(isolate(), op, strength(language_mode())).code();
   {
     Assembler::BlockPoolsScope scope(masm_);
     CallIC(code, expr->BinaryOperationFeedbackId());
@@ -2249,8 +2249,8 @@ void FullCodeGenerator::EmitInlineSmiBinaryOp(BinaryOperation* expr,
 
 void FullCodeGenerator::EmitBinaryOp(BinaryOperation* expr, Token::Value op) {
   __ Pop(x1);
-  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.
   {
     Assembler::BlockPoolsScope scope(masm_);
@@ -4731,8 +4731,9 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
 
   {
     Assembler::BlockPoolsScope scope(masm_);
-    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();
   }
@@ -5007,8 +5008,8 @@ 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);