Bug 1523558: Fix test condition in VMFunction::returnsData(). r=nbp

--HG--
extra : rebase_source : 690234d9ce4edb98af4227d4307c8f3bc444b9c7

js/src/jit/VMFunctions.h

@@ -210,7 +210,7 @@ struct VMFunction {
   // Whether this function returns anything more than a boolean flag for
   // failures.
   bool returnsData() const {
-    return returnType == Type_Pointer || outParam != Type_Void;
+    return returnType == Type_Object || outParam != Type_Void;
   }
 
   ArgProperties argProperties(uint32_t explicitArg) const {