[strong] Disallow implicit conversions for binary arithmetic operations

src/compiler/js-operator.h

Index: src/compiler/js-operator.h
diff --git a/src/compiler/js-operator.h b/src/compiler/js-operator.h
index 401f1f0b30e3e4629529c3d30de65d28c3b1c003..0b6ec9c0bdd653ef332c1339b00cf6e66ea93f77 100644
--- a/src/compiler/js-operator.h
+++ b/src/compiler/js-operator.h
@@ -217,21 +217,21 @@ class JSOperatorBuilder final : public ZoneObject {
   const Operator* NotEqual();
   const Operator* StrictEqual();
   const Operator* StrictNotEqual();
-  const Operator* LessThan();
-  const Operator* GreaterThan();
-  const Operator* LessThanOrEqual();
-  const Operator* GreaterThanOrEqual();
-  const Operator* BitwiseOr();
-  const Operator* BitwiseXor();
-  const Operator* BitwiseAnd();
-  const Operator* ShiftLeft();
-  const Operator* ShiftRight();
-  const Operator* ShiftRightLogical();
-  const Operator* Add();
-  const Operator* Subtract();
-  const Operator* Multiply();
-  const Operator* Divide();
-  const Operator* Modulus();
+  const Operator* LessThan(LanguageMode language_mode);
+  const Operator* GreaterThan(LanguageMode language_mode);
+  const Operator* LessThanOrEqual(LanguageMode language_mode);
+  const Operator* GreaterThanOrEqual(LanguageMode language_mode);
+  const Operator* BitwiseOr(LanguageMode language_mode);
+  const Operator* BitwiseXor(LanguageMode language_mode);
+  const Operator* BitwiseAnd(LanguageMode language_mode);
+  const Operator* ShiftLeft(LanguageMode language_mode);
+  const Operator* ShiftRight(LanguageMode language_mode);
+  const Operator* ShiftRightLogical(LanguageMode language_mode);
+  const Operator* Add(LanguageMode language_mode);
+  const Operator* Subtract(LanguageMode language_mode);
+  const Operator* Multiply(LanguageMode language_mode);
+  const Operator* Divide(LanguageMode language_mode);
+  const Operator* Modulus(LanguageMode language_mode);
 
   const Operator* UnaryNot();
   const Operator* ToBoolean();