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-rw-r--r--llvm/include/llvm/ADT/StringMap.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/include/llvm/ADT/StringMap.h b/llvm/include/llvm/ADT/StringMap.h
index 0a4a5d631d9..3e7e9e625b8 100644
--- a/llvm/include/llvm/ADT/StringMap.h
+++ b/llvm/include/llvm/ADT/StringMap.h
@@ -384,7 +384,7 @@ public:
return true;
}
- bool erase(std::string Key) {
+ bool erase(const std::string &Key) {
iterator I = find(Key);
if (I == end()) return false;
erase(I);
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