[llvm] r340732 - [NFC] Try to make buildbot happy about virtual destructors

[Max Kazantsev via llvm-commits]

Author: mkazantsev
Date: Mon Aug 27 03:09:28 2018
New Revision: 340732

URL: http://llvm.org/viewvc/llvm-project?rev=340732&view=rev
Log:
[NFC] Try to make buildbot happy about virtual destructors

Modified:
    llvm/trunk/include/llvm/Transforms/Utils/InstructionPrecedenceTracking.h

Modified: llvm/trunk/include/llvm/Transforms/Utils/InstructionPrecedenceTracking.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Transforms/Utils/InstructionPrecedenceTracking.h?rev=340732&r1=340731&r2=340732&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Transforms/Utils/InstructionPrecedenceTracking.h (original)
+++ llvm/trunk/include/llvm/Transforms/Utils/InstructionPrecedenceTracking.h Mon Aug 27 03:09:28 2018
@@ -61,6 +61,8 @@ protected:
   /// be interested in.
   virtual bool isSpecialInstruction(const Instruction *Insn) const = 0;
 
+  virtual ~InstructionPrecedenceTracking() = default;
+
 public:
   /// Clears cached information about this particular block.
   void invalidateBlock(const BasicBlock *BB);