From d085f99049cdacbba3a7f33c9c1962486267222a Mon Sep 17 00:00:00 2001
From: huanghui <huanghui44@huawei.com>
Date: Thu, 6 Jan 2022 19:35:20 +0800
Subject: [PATCH] fix bad hash function

---
 mindspore/core/utils/symbolic.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/mindspore/core/utils/symbolic.h b/mindspore/core/utils/symbolic.h
index a076863b034..c26ca317728 100644
--- a/mindspore/core/utils/symbolic.h
+++ b/mindspore/core/utils/symbolic.h
@@ -78,16 +78,16 @@ class SymbolicKeyInstance : public Value {
 using SymbolicKeyInstancePtr = std::shared_ptr<SymbolicKeyInstance>;
 
 struct SymbolicKeyInstanceHash {
-  std::size_t operator()(const SymbolicKeyInstancePtr s) const {
+  std::size_t operator()(const SymbolicKeyInstancePtr &s) const {
     if (s == nullptr) {
       return 0;
     }
-    return s->abstract()->hash();
+    return s->hash();
   }
 };
 
 struct SymbolicKeyInstanceEqual {
-  bool operator()(const SymbolicKeyInstancePtr lhs, const SymbolicKeyInstancePtr rhs) const {
+  bool operator()(const SymbolicKeyInstancePtr &lhs, const SymbolicKeyInstancePtr &rhs) const {
     if (lhs == nullptr || rhs == nullptr) {
       return false;
     }