[Paddle-TRT] Fix cast (#44312)

* fix_cast

* fix_cast

* commit

paddle/fluid/inference/tensorrt/op_teller.cc

@@ -2061,6 +2061,10 @@ bool OpTeller::Tell(const framework::ir::Node* node,
     }
 
     if (op_type == "cast") {
+// trt 6015 result in Windows ppyolo_mbv3 TRT fp32 diff
+#if !IS_TRT_VERSION_GE(7000)
+      return false;
+#endif
       int in_dtype = BOOST_GET_CONST(int, desc.GetAttr("in_dtype"));
       int out_dtype = BOOST_GET_CONST(int, desc.GetAttr("out_dtype"));
       if ((in_dtype == 4 || in_dtype == 5) && out_dtype == 4) {