Fix a typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143890 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Support/StringRef.cpp b/lib/Support/StringRef.cpp
index c78b6d0afc83b85de9d795b231ce1aa7020c47de..e73c6e38e2f41146209b290d88326fce25a22d9e 100644 (file)
--- a/lib/Support/StringRef.cpp
+++ b/lib/Support/StringRef.cpp
@@ -152,7 +152,7 @@ std::string StringRef::lower() const {
 std::string StringRef::upper() const {
   std::string Result(size(), char());
   for (size_type i = 0, e = size(); i != e; ++i) {
-    Result[i] = ascii_tolower(Data[i]);
+    Result[i] = ascii_toupper(Data[i]);
   }
   return Result;
 }