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-rw-r--r--include/llvm/ADT/StringExtras.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/llvm/ADT/StringExtras.h b/include/llvm/ADT/StringExtras.h
index 655d884e7b..36df5acadb 100644
--- a/include/llvm/ADT/StringExtras.h
+++ b/include/llvm/ADT/StringExtras.h
@@ -125,7 +125,7 @@ void SplitString(StringRef Source,
// X*33+c -> X*33^c
static inline unsigned HashString(StringRef Str, unsigned Result = 0) {
for (unsigned i = 0, e = Str.size(); i != e; ++i)
- Result = Result * 33 + Str[i];
+ Result = Result * 33 + (unsigned char)Str[i];
return Result;
}