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-rw-r--r--llvm/lib/Support/Statistic.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Support/Statistic.cpp b/llvm/lib/Support/Statistic.cpp
index 67b07162b9a..1985409f35c 100644
--- a/llvm/lib/Support/Statistic.cpp
+++ b/llvm/lib/Support/Statistic.cpp
@@ -166,6 +166,7 @@ void llvm::PrintStatistics(raw_ostream &OS) {
}
void llvm::PrintStatisticsJSON(raw_ostream &OS) {
+ sys::SmartScopedLock<true> Reader(*StatLock);
StatisticInfo &Stats = *StatInfo;
Stats.sort();
@@ -192,6 +193,7 @@ void llvm::PrintStatisticsJSON(raw_ostream &OS) {
void llvm::PrintStatistics() {
#if LLVM_ENABLE_STATS
+ sys::SmartScopedLock<true> Reader(*StatLock);
StatisticInfo &Stats = *StatInfo;
// Statistics not enabled?
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