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Diffstat (limited to 'tools/llvm-diff/DifferenceEngine.h')
| -rw-r--r-- | tools/llvm-diff/DifferenceEngine.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/llvm-diff/DifferenceEngine.h b/tools/llvm-diff/DifferenceEngine.h index 5b4f80b99e..7ea79e430f 100644 --- a/tools/llvm-diff/DifferenceEngine.h +++ b/tools/llvm-diff/DifferenceEngine.h @@ -50,7 +50,9 @@ namespace llvm { /// An oracle for answering whether two values are equivalent as /// operands. - struct Oracle { + class Oracle { + virtual void anchor(); + public: virtual bool operator()(Value *L, Value *R) = 0; protected: |