Fix NegateCompareOp and InvertCompareOp

src/token.h

Index: src/token.h
diff --git a/src/token.h b/src/token.h
index 863ba6285760d4f8a015b9d22dab7962584aecf0..4078a15cdbe6498b5ead56d90575dedde88c384a 100644
--- a/src/token.h
+++ b/src/token.h
@@ -230,26 +230,30 @@ class Token {
       case EQ: return NE;
       case NE: return EQ;
       case EQ_STRICT: return NE_STRICT;
+      case NE_STRICT: return EQ_STRICT;
       case LT: return GTE;
       case GT: return LTE;
       case LTE: return GT;
       case GTE: return LT;
       default:
+        UNREACHABLE();
         return op;
     }
   }
 
-  static Value InvertCompareOp(Value op) {
+  static Value ReverseCompareOp(Value op) {
     ASSERT(IsCompareOp(op));
     switch (op) {
-      case EQ: return NE;
-      case NE: return EQ;
-      case EQ_STRICT: return NE_STRICT;
+      case EQ: return EQ;
+      case NE: return NE;
+      case EQ_STRICT: return EQ_STRICT;
+      case NE_STRICT: return NE_STRICT;
       case LT: return GT;
       case GT: return LT;
       case LTE: return GTE;
       case GTE: return LTE;
       default:
+        UNREACHABLE();
         return op;
     }
   }