[PATCH] D121337: [BOLT][NFC] Fix print-cfg data race

[Amir Ayupov via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rGd1638cb0b5b2: [BOLT][NFC] Fix print-cfg data race (authored by Amir).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D121337/new/

https://reviews.llvm.org/D121337

Files:
  bolt/lib/Rewrite/RewriteInstance.cpp


Index: bolt/lib/Rewrite/RewriteInstance.cpp
===================================================================
--- bolt/lib/Rewrite/RewriteInstance.cpp
+++ bolt/lib/Rewrite/RewriteInstance.cpp
@@ -2950,8 +2950,10 @@
         if (!BF.buildCFG(AllocId))
           return;
 
-        if (opts::PrintAll)
+        if (opts::PrintAll) {
+          auto L = BC->scopeLock();
           BF.print(outs(), "while building cfg", true);
+        }
       };
 
   ParallelUtilities::PredicateTy SkipPredicate = [&](const BinaryFunction &BF) {


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