Remove strong mode support from binary operations.

src/full-codegen/arm64/full-codegen-arm64.cc

Index: src/full-codegen/arm64/full-codegen-arm64.cc
diff --git a/src/full-codegen/arm64/full-codegen-arm64.cc b/src/full-codegen/arm64/full-codegen-arm64.cc
index 0a82b86f9b4f53544eb03eaff4d0de4c0d4e8290..d4fe0ed8214ae5cc16ce0f4138905b2b3c6f00b8 100644
--- a/src/full-codegen/arm64/full-codegen-arm64.cc
+++ b/src/full-codegen/arm64/full-codegen-arm64.cc
@@ -973,8 +973,8 @@ 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();
 
@@ -1946,8 +1946,7 @@ void FullCodeGenerator::EmitInlineSmiBinaryOp(BinaryOperation* expr,
 
   __ Bind(&stub_call);
 
-  Handle<Code> code =
-      CodeFactory::BinaryOpIC(isolate(), op, strength(language_mode())).code();
+  Handle<Code> code = CodeFactory::BinaryOpIC(isolate(), op).code();
   {
     Assembler::BlockPoolsScope scope(masm_);
     CallIC(code, expr->BinaryOperationFeedbackId());
@@ -2029,8 +2028,7 @@ void FullCodeGenerator::EmitInlineSmiBinaryOp(BinaryOperation* expr,
 
 void FullCodeGenerator::EmitBinaryOp(BinaryOperation* expr, Token::Value op) {
   __ Pop(x1);
-  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.
   {
     Assembler::BlockPoolsScope scope(masm_);
@@ -3914,9 +3912,7 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
 
   {
     Assembler::BlockPoolsScope scope(masm_);
-    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();
   }
@@ -4151,8 +4147,7 @@ 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);