Pass std::string to constructor as const reference to avoid multiple

copies.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10705 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Support/Statistic.cpp b/lib/Support/Statistic.cpp
index 9589fd7ebd98469e5e0b6ca3d450b6d9aa507dc6..7fa7547fee33368098a1095e62d6344b1e9b7570 100644 (file)
--- a/lib/Support/Statistic.cpp
+++ b/lib/Support/Statistic.cpp
@@ -43,7 +43,7 @@ struct StatRecord {
   std::string Value;
   const char *Name, *Desc;
 
-  StatRecord(const std::string V, const char *N, const char *D)
+  StatRecord(const std::string &V, const char *N, const char *D)
     : Value(V), Name(N), Desc(D) {}
 
   bool operator<(const StatRecord &SR) const {