1 files changed, 6 insertions, 4 deletions
diff --git a/include/clang/StaticAnalyzer/Core/PathSensitive/ConstraintManager.h b/include/clang/StaticAnalyzer/Core/PathSensitive/ConstraintManager.h
index d4f8fbaa43..5b69299f78 100644
--- a/include/clang/StaticAnalyzer/Core/PathSensitive/ConstraintManager.h
+++ b/include/clang/StaticAnalyzer/Core/PathSensitive/ConstraintManager.h
@@ -1,9 +1,8 @@
 //===- ConstraintManager.h - Constraints on symbolic values. ----*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
@@ -80,6 +79,9 @@ public:
   ConstraintManager() = default;
   virtual ~ConstraintManager();
 
+  virtual bool haveEqualConstraints(ProgramStateRef S1,
+                                    ProgramStateRef S2) const = 0;
+
   virtual ProgramStateRef assume(ProgramStateRef state,
                                  DefinedSVal Cond,
                                  bool Assumption) = 0;