raw_ostream_test: Add a missing buffer flush

diff --git a/llvm/unittests/Support/raw_ostream_test.cpp b/llvm/unittests/Support/raw_ostream_test.cpp
index 3df01be..9f25034 100644 (file)
--- a/llvm/unittests/Support/raw_ostream_test.cpp
+++ b/llvm/unittests/Support/raw_ostream_test.cpp
@@ -18,9 +18,11 @@ namespace {
 
 template<typename T> std::string printToString(const T &Value) {
   std::string res;
-  llvm::raw_string_ostream OS(res);
-  OS.SetBuffered();
-  OS << Value;
+  {
+    llvm::raw_string_ostream OS(res);
+    OS.SetBuffered();
+    OS << Value;
+  }
   return res;
 }