[strong] Disallow implicit conversions for binary arithmetic operations

src/mips64/lithium-codegen-mips64.cc

Index: src/mips64/lithium-codegen-mips64.cc
diff --git a/src/mips64/lithium-codegen-mips64.cc b/src/mips64/lithium-codegen-mips64.cc
index f144eaa5c3cef631aa45e86bb6035b6ce90b1648..d6039f71126f28c82d2ccde87cb45664a6a228a2 100644
--- a/src/mips64/lithium-codegen-mips64.cc
+++ b/src/mips64/lithium-codegen-mips64.cc
@@ -2055,7 +2055,8 @@ void LCodeGen::DoArithmeticT(LArithmeticT* instr) {
   DCHECK(ToRegister(instr->right()).is(a0));
   DCHECK(ToRegister(instr->result()).is(v0));
 
-  Handle<Code> code = CodeFactory::BinaryOpIC(isolate(), instr->op()).code();
+  Handle<Code> code = CodeFactory::BinaryOpIC(
+      isolate(), instr->op(), language_mode()).code();
   CallCode(code, RelocInfo::CODE_TARGET, instr);
   // Other arch use a nop here, to signal that there is no inlined
   // patchable code. Mips does not need the nop, since our marker