[strong] Disallow implicit conversions for comparison

src/code-factory.h

Index: src/code-factory.h
diff --git a/src/code-factory.h b/src/code-factory.h
index 1007be85ace09a1f44348847c240804782ac9098..184b6ddf5ad766de3354907a081bb6ab248237a1 100644
--- a/src/code-factory.h
+++ b/src/code-factory.h
@@ -50,7 +50,8 @@ class CodeFactory final {
       Isolate* isolate, LanguageMode mode,
       InlineCacheState initialization_state);
 
-  static Callable CompareIC(Isolate* isolate, Token::Value op);
+  static Callable CompareIC(Isolate* isolate, Token::Value op,
+                            LanguageMode language_mode);
 
   static Callable BinaryOpIC(Isolate* isolate, Token::Value op,
                              LanguageMode language_mode);