Adding virtual destructor for PredicateBase.

A virtual destructor is needed, since the derived classes are stored in
`iplist<PredicateBase> AllInfos;` and, apparently, ilist_node doesn't have a
virtual destructor.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@294443 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/Transforms/Utils/PredicateInfo.h b/include/llvm/Transforms/Utils/PredicateInfo.h
index 4ee89150ebe4177e6cc7c9efc554869791de2f6b..3c4dad90022df53850f87e0b54994f3005bccfe0 100644 (file)
--- a/include/llvm/Transforms/Utils/PredicateInfo.h
+++ b/include/llvm/Transforms/Utils/PredicateInfo.h
@@ -106,6 +106,7 @@ public:
   PredicateBase(const PredicateBase &) = delete;
   PredicateBase &operator=(const PredicateBase &) = delete;
   PredicateBase() = delete;
+  virtual ~PredicateBase() = default;
 
 protected:
   PredicateBase(PredicateType PT, Value *Op, CmpInst *Comparison)