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Diffstat (limited to 'lldb/source/Target/ThreadList.cpp')
-rw-r--r--lldb/source/Target/ThreadList.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/lldb/source/Target/ThreadList.cpp b/lldb/source/Target/ThreadList.cpp
index 006c8648be52..1ba0c435b993 100644
--- a/lldb/source/Target/ThreadList.cpp
+++ b/lldb/source/Target/ThreadList.cpp
@@ -736,7 +736,7 @@ void ThreadList::Update(ThreadList &rhs) {
if (this != &rhs) {
// Lock both mutexes to make sure neither side changes anyone on us while
// the assignment occurs
- std::lock_guard<std::recursive_mutex> guard(GetMutex());
+ std::scoped_lock<std::recursive_mutex, std::recursive_mutex> guard(GetMutex(), rhs.GetMutex());
m_process = rhs.m_process;
m_stop_id = rhs.m_stop_id;