Remove a used that snuck in that seems to be triggering the MSVC buildbots.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232355 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/ObjCARC/ObjCARCOpts.cpp b/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
index b184b709d310e0cf5376212a8c54c337325fa246..9d397646411cb0be9ec1d1a8410c1df83e287d11 100644 (file)
--- a/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
+++ b/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
@@ -316,8 +316,7 @@ namespace {
 }
 
 namespace llvm {
-  raw_ostream &operator<<(raw_ostream &OS,
-                          BBState &BBState) __attribute__ ((used));
+  raw_ostream &operator<<(raw_ostream &OS, BBState &BBState);
 }
 
 void BBState::InitFromPred(const BBState &Other) {