[strong] Disallow implicit conversions for binary arithmetic operations

src/mips/lithium-codegen-mips.cc

Index: src/mips/lithium-codegen-mips.cc
diff --git a/src/mips/lithium-codegen-mips.cc b/src/mips/lithium-codegen-mips.cc
index 5c0fa9106afbcdfe79c78ad2fb92aaa67fc15b4b..47054c21e07910871b6f7f98dc77bb48e880530b 100644
--- a/src/mips/lithium-codegen-mips.cc
+++ b/src/mips/lithium-codegen-mips.cc
@@ -2059,7 +2059,8 @@ 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