1 files changed, 3 insertions, 1 deletions
diff --git a/source/Plugins/Process/Utility/HistoryUnwind.cpp b/source/Plugins/Process/Utility/HistoryUnwind.cpp
index 7d473bff8200..83fdb011f5a1 100644
--- a/source/Plugins/Process/Utility/HistoryUnwind.cpp
+++ b/source/Plugins/Process/Utility/HistoryUnwind.cpp
@@ -51,13 +51,15 @@ HistoryUnwind::DoCreateRegisterContextForFrame(StackFrame *frame) {
 }
 
 bool HistoryUnwind::DoGetFrameInfoAtIndex(uint32_t frame_idx, lldb::addr_t &cfa,
-                                          lldb::addr_t &pc) {
+                                          lldb::addr_t &pc,
+                                          bool &behaves_like_zeroth_frame) {
   // FIXME do not throw away the lock after we acquire it..
   std::unique_lock<std::recursive_mutex> guard(m_unwind_mutex);
   guard.unlock();
   if (frame_idx < m_pcs.size()) {
     cfa = frame_idx;
     pc = m_pcs[frame_idx];
+    behaves_like_zeroth_frame = (frame_idx == 0);
     return true;
   }
   return false;