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-rw-r--r--llvm/lib/Support/StringSaver.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Support/StringSaver.cpp b/llvm/lib/Support/StringSaver.cpp
index 1ded2bdb09d..bf0ac8de982 100644
--- a/llvm/lib/Support/StringSaver.cpp
+++ b/llvm/lib/Support/StringSaver.cpp
@@ -13,7 +13,8 @@ using namespace llvm;
StringRef StringSaver::save(StringRef S) {
char *P = Alloc.Allocate<char>(S.size() + 1);
- memcpy(P, S.data(), S.size());
+ if (!S.empty())
+ memcpy(P, S.data(), S.size());
P[S.size()] = '\0';
return StringRef(P, S.size());
}
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