This should be THREAD in the return statement. It gets a compilation error on my version of gcc.

diff --git a/src/share/vm/prims/stackwalk.cpp b/src/share/vm/prims/stackwalk.cpp
--- a/src/share/vm/prims/stackwalk.cpp
+++ b/src/share/vm/prims/stackwalk.cpp
@@ -331,10 +331,10 @@
     assert (use_frames_array(mode), "Bad mode for get live frame");
     RegisterMap regMap(jt, true);
     LiveFrameStream stream(jt, &regMap);
- return fetchFirstBatch(stream, stackStream, mode, skip_frames, frame_count, start_index, frames_array, CHECK_NULL);
+ return fetchFirstBatch(stream, stackStream, mode, skip_frames, frame_count, start_index, frames_array, THREAD);
   } else {
     JavaFrameStream stream(jt, mode);
- return fetchFirstBatch(stream, stackStream, mode, skip_frames, frame_count, start_index, frames_array, CHECK_NULL);
+ return fetchFirstBatch(stream, stackStream, mode, skip_frames, frame_count, start_index, frames_array, THREAD);
   }
 }