2008-05-20  Pedro Alves  <pedro@codesourcery.com>

	* frame.c (get_prev_frame_1): Build frame id before setting
	this_frame->prev_p, not after.

---
 gdb/frame.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

Index: src/gdb/frame.c
===================================================================
--- src.orig/gdb/frame.c	2008-05-20 22:41:07.000000000 +0100
+++ src/gdb/frame.c	2008-05-20 22:49:59.000000000 +0100
@@ -1179,13 +1179,17 @@ get_prev_frame_1 (struct frame_info *thi
 	}
       return this_frame->prev;
     }
+
+  /* If the frame id hasn't been built yet, it must be done before
+     setting a stop reason.  */
+  this_id = get_frame_id (this_frame);
+
   this_frame->prev_p = 1;
   this_frame->stop_reason = UNWIND_NO_REASON;
 
   /* Check that this frame's ID was valid.  If it wasn't, don't try to
      unwind to the prev frame.  Be careful to not apply this test to
      the sentinel frame.  */
-  this_id = get_frame_id (this_frame);
   if (this_frame->level >= 0 && !frame_id_p (this_id))
     {
       if (frame_debug)