[strong] Disallow implicit conversions for comparison

src/ic/ic.h

Index: src/ic/ic.h
diff --git a/src/ic/ic.h b/src/ic/ic.h
index d51309cffee853dbeba06d761bd3012d1e61a607..4bd81e7493144971acf61dd6f3b07ca416e79ec4 100644
--- a/src/ic/ic.h
+++ b/src/ic/ic.h
@@ -703,7 +703,8 @@ class CompareIC : public IC {
   static Condition ComputeCondition(Token::Value op);
 
   // Factory method for getting an uninitialized compare stub.
-  static Handle<Code> GetUninitialized(Isolate* isolate, Token::Value op);
+  static Handle<Code> GetUninitialized(Isolate* isolate, Token::Value op,
+                                       bool strong);
 
  private:
   static bool HasInlinedSmiCode(Address address);
@@ -711,7 +712,8 @@ class CompareIC : public IC {
   bool strict() const { return op_ == Token::EQ_STRICT; }
   Condition GetCondition() const { return ComputeCondition(op_); }
 
-  static Code* GetRawUninitialized(Isolate* isolate, Token::Value op);
+  static Code* GetRawUninitialized(Isolate* isolate, Token::Value op,
+                                   bool strong);
 
   static void Clear(Isolate* isolate, Address address, Code* target,
                     ConstantPoolArray* constant_pool);