diff options
Diffstat (limited to 'clang')
| -rw-r--r-- | clang/lib/Frontend/ASTUnit.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/clang/lib/Frontend/ASTUnit.cpp b/clang/lib/Frontend/ASTUnit.cpp index d2f63a80fee..7be25e96b4c 100644 --- a/clang/lib/Frontend/ASTUnit.cpp +++ b/clang/lib/Frontend/ASTUnit.cpp @@ -116,7 +116,8 @@ static OnDiskDataMap &getOnDiskDataMap() { } static void cleanupOnDiskMapAtExit(void) { - // No mutex required here since we are leaving the program. + // Use the mutex because there can be an alive thread destroying an ASTUnit. + llvm::MutexGuard Guard(getOnDiskMutex()); OnDiskDataMap &M = getOnDiskDataMap(); for (OnDiskDataMap::iterator I = M.begin(), E = M.end(); I != E; ++I) { // We don't worry about freeing the memory associated with OnDiskDataMap. |
