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-rw-r--r--lldb/source/Target/Thread.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/lldb/source/Target/Thread.cpp b/lldb/source/Target/Thread.cpp
index 73d2dbaa42e..5a1e1ddde88 100644
--- a/lldb/source/Target/Thread.cpp
+++ b/lldb/source/Target/Thread.cpp
@@ -813,7 +813,8 @@ Thread::GetStackFrameCount()
void
Thread::ClearStackFrames ()
{
- m_prev_frames_ap = m_curr_frames_ap;
+ if (m_curr_frames_ap.get())
+ m_prev_frames_ap = m_curr_frames_ap;
}
lldb::StackFrameSP
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