[llvm-branch-commits] [llvm] c98a7ab - IntrusiveRefCntPtr: Ensure RefCount is initialized during ThreadSafeRefCountedBase copy construction

David Blaikie via llvm-branch-commits llvm-branch-commits at lists.llvm.org
Thu Dec 3 18:47:38 PST 2020


Author: David Blaikie
Date: 2020-12-03T18:43:01-08:00
New Revision: c98a7ab1b1d647492554872e395b2ae5763fd23e

URL: https://github.com/llvm/llvm-project/commit/c98a7ab1b1d647492554872e395b2ae5763fd23e
DIFF: https://github.com/llvm/llvm-project/commit/c98a7ab1b1d647492554872e395b2ae5763fd23e.diff

LOG: IntrusiveRefCntPtr: Ensure RefCount is initialized during ThreadSafeRefCountedBase copy construction

Post commit feedback on 2e83ccc2ee33 from Nathan James!

Added: 
    

Modified: 
    llvm/include/llvm/ADT/IntrusiveRefCntPtr.h

Removed: 
    


################################################################################
diff  --git a/llvm/include/llvm/ADT/IntrusiveRefCntPtr.h b/llvm/include/llvm/ADT/IntrusiveRefCntPtr.h
index 42486d1616a8..41e5e6b9f8ed 100644
--- a/llvm/include/llvm/ADT/IntrusiveRefCntPtr.h
+++ b/llvm/include/llvm/ADT/IntrusiveRefCntPtr.h
@@ -86,10 +86,10 @@ template <class Derived> class RefCountedBase {
 
 /// A thread-safe version of \c RefCountedBase.
 template <class Derived> class ThreadSafeRefCountedBase {
-  mutable std::atomic<int> RefCount;
+  mutable std::atomic<int> RefCount{0};
 
 protected:
-  ThreadSafeRefCountedBase() : RefCount(0) {}
+  ThreadSafeRefCountedBase() = default;
   ThreadSafeRefCountedBase(const ThreadSafeRefCountedBase &) {}
   ThreadSafeRefCountedBase &
   operator=(const ThreadSafeRefCountedBase &) = delete;


        


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