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authorDimitry Andric <dim@FreeBSD.org>2015-08-07 23:01:33 +0000
committerDimitry Andric <dim@FreeBSD.org>2015-08-07 23:01:33 +0000
commitee8648bdac07986a0f1ec897b02ec82a2f144d46 (patch)
tree52d1861acda1205241ee35a94aa63129c604d469 /include/llvm/Support/raw_ostream.h
parent1a82d4c088707c791c792f6822f611b47a12bdfe (diff)
Diffstat (limited to 'include/llvm/Support/raw_ostream.h')
-rw-r--r--include/llvm/Support/raw_ostream.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/include/llvm/Support/raw_ostream.h b/include/llvm/Support/raw_ostream.h
index b59317112c440..28e512c86941b 100644
--- a/include/llvm/Support/raw_ostream.h
+++ b/include/llvm/Support/raw_ostream.h
@@ -165,8 +165,10 @@ public:
if (Size > (size_t)(OutBufEnd - OutBufCur))
return write(Str.data(), Size);
- memcpy(OutBufCur, Str.data(), Size);
- OutBufCur += Size;
+ if (Size) {
+ memcpy(OutBufCur, Str.data(), Size);
+ OutBufCur += Size;
+ }
return *this;
}