From bad3798113f8760a7978d745d428a1271e75554c Mon Sep 17 00:00:00 2001
From: Amir Ayupov <aaupov@fb.com>
Date: Wed, 13 Apr 2022 11:09:25 -0700
Subject: [BOLT] Fix data race in shortenInstructions

Address ThreadSanitizer warning

Reviewed By: maksfb

Differential Revision: https://reviews.llvm.org/D121338
---
 bolt/lib/Passes/BinaryPasses.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'bolt')

diff --git a/bolt/lib/Passes/BinaryPasses.cpp b/bolt/lib/Passes/BinaryPasses.cpp
index a5cd1ff84766..125ae3246d60 100644
--- a/bolt/lib/Passes/BinaryPasses.cpp
+++ b/bolt/lib/Passes/BinaryPasses.cpp
@@ -1015,6 +1015,7 @@ uint64_t ShortenInstructions::shortenInstructions(BinaryFunction &Function) {
         continue;
 
       if (opts::Verbosity > 2) {
+        BC.scopeLock();
         outs() << "BOLT-INFO: shortening:\nBOLT-INFO:    ";
         BC.printInstruction(outs(), OriginalInst, 0, &Function);
         outs() << "BOLT-INFO: to:";
-- 
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