Remove strong mode support from binary operations.

src/crankshaft/x64/lithium-codegen-x64.cc

Index: src/crankshaft/x64/lithium-codegen-x64.cc
diff --git a/src/crankshaft/x64/lithium-codegen-x64.cc b/src/crankshaft/x64/lithium-codegen-x64.cc
index e4470d81beb9b45b0ced0482ab59d504b2279189..90aadfb895cca0075190716b2f73765f3b3d1326 100644
--- a/src/crankshaft/x64/lithium-codegen-x64.cc
+++ b/src/crankshaft/x64/lithium-codegen-x64.cc
@@ -1947,8 +1947,7 @@ void LCodeGen::DoArithmeticT(LArithmeticT* instr) {
   DCHECK(ToRegister(instr->right()).is(rax));
   DCHECK(ToRegister(instr->result()).is(rax));
 
-  Handle<Code> code =
-      CodeFactory::BinaryOpIC(isolate(), instr->op(), instr->strength()).code();
+  Handle<Code> code = CodeFactory::BinaryOpIC(isolate(), instr->op()).code();
   CallCode(code, RelocInfo::CODE_TARGET, instr);
 }
 
@@ -2529,8 +2528,7 @@ void LCodeGen::DoCmpT(LCmpT* instr) {
   DCHECK(ToRegister(instr->context()).is(rsi));
   Token::Value op = instr->op();
 
-  Handle<Code> ic =
-      CodeFactory::CompareIC(isolate(), op, instr->strength()).code();
+  Handle<Code> ic = CodeFactory::CompareIC(isolate(), op).code();
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 
   Condition condition = TokenToCondition(op, false);