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-rw-r--r--include/llvm/Support/HashExtras.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/llvm/Support/HashExtras.h b/include/llvm/Support/HashExtras.h
index ecd572e3d9..6ea831e78f 100644
--- a/include/llvm/Support/HashExtras.h
+++ b/include/llvm/Support/HashExtras.h
@@ -19,4 +19,9 @@ template <> struct hash<string> {
}
};
+// Provide a hash function for arbitrary pointers...
+template <class T> struct hash<T *> {
+ inline size_t operator()(const T *Val) const { return (size_t)Val; }
+};
+
#endif