add bug fix enum. (#26736)

paddle/fluid/framework/op_version_registry.h

@@ -34,7 +34,8 @@ struct OpUpdateRecord {
     kModifyAttr,
     kNewAttr,
     kNewInput,
-    kNewOutput
+    kNewOutput,
+    kBugfixWithBehaviorChanged,
   };
   Type type_;
   std::string remark_;
@@ -82,6 +83,11 @@ struct NewOutput : OpUpdateRecord {
   std::string name_;
 };
 
+struct BugfixWithBehaviorChanged : OpUpdateRecord {
+  explicit BugfixWithBehaviorChanged(const std::string& remark)
+      : OpUpdateRecord({Type::kBugfixWithBehaviorChanged, remark}) {}
+};
+
 class OpVersionDesc {
  public:
   OpVersionDesc& ModifyAttr(const std::string& name, const std::string& remark,
@@ -110,6 +116,12 @@ class OpVersionDesc {
     return *this;
   }
 
+  OpVersionDesc& BugfixWithBehaviorChanged(const std::string& remark) {
+    infos_.push_back(std::shared_ptr<OpUpdateRecord>(
+        new compatible::BugfixWithBehaviorChanged(remark)));
+    return *this;
+  }
+
  private:
   std::vector<std::shared_ptr<OpUpdateRecord>> infos_;
 };

paddle/fluid/framework/op_version_registry_test.cc

@@ -23,6 +23,10 @@ namespace compatible {
 
 TEST(test_operator_version, test_operator_version) {
   REGISTER_OP_VERSION(test__)
+      .AddCheckpoint(
+          R"ROC(Fix the bug of reshape op, support the case of axis < 0)ROC",
+          framework::compatible::OpVersionDesc().BugfixWithBehaviorChanged(
+              "Support the case of axis < 0"))
       .AddCheckpoint(
           R"ROC(
         Upgrade reshape, modified one attribute [axis] and add a new attribute [size].