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-rw-r--r--clang/lib/Frontend/ASTUnit.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/clang/lib/Frontend/ASTUnit.cpp b/clang/lib/Frontend/ASTUnit.cpp
index 3ffb6ecb4b2..c1678d4ef01 100644
--- a/clang/lib/Frontend/ASTUnit.cpp
+++ b/clang/lib/Frontend/ASTUnit.cpp
@@ -2423,7 +2423,7 @@ bool ASTUnit::serialize(raw_ostream &OS) {
if (getDiagnostics().hasErrorOccurred())
return true;
- std::vector<unsigned char> Buffer;
+ SmallString<128> Buffer;
llvm::BitstreamWriter Stream(Buffer);
ASTWriter Writer(Stream);
// FIXME: Handle modules
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