1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/Support/StringRef.cpp b/llvm/lib/Support/StringRef.cpp
index 652303f..3ed08ed 100644
--- a/llvm/lib/Support/StringRef.cpp
+++ b/llvm/lib/Support/StringRef.cpp
@@ -597,3 +597,11 @@ bool StringRef::getAsDouble(double &Result, bool AllowInexact) const {
 hash_code llvm::hash_value(StringRef S) {
   return hash_combine_range(S.begin(), S.end());
 }
+
+unsigned DenseMapInfo<StringRef, void>::getHashValue(StringRef Val) {
+  assert(Val.data() != getEmptyKey().data() &&
+         "Cannot hash the empty key!");
+  assert(Val.data() != getTombstoneKey().data() &&
+         "Cannot hash the tombstone key!");
+  return (unsigned)(hash_value(Val));
+}