Fixbug remove symbol lookup at MCCacheWriter

Change-Id: I4755bc99a414653c897f26609ad1bdc640f571ea
diff --git a/lib/ExecutionEngine/Script.cpp b/lib/ExecutionEngine/Script.cpp
index e67fd61..29e3898 100644
--- a/lib/ExecutionEngine/Script.cpp
+++ b/lib/ExecutionEngine/Script.cpp
@@ -297,7 +297,7 @@
   }
 
   if (checkOnly)
-    return reader.checkCacheFile(&objFile, &infoFile, this);
+    return !reader.checkCacheFile(&objFile, &infoFile, this);
 
   // Read cache file
   ScriptCached *cached = reader.readCacheFile(&objFile, &infoFile, this);