[Bug 28801] stack_set_frame_internal passes undefined value into SymSetContext()?

http://bugs.winehq.org/show_bug.cgi?id=28801

--- Comment #2 from Dan Kegel  2011-10-19 11:16:24 CDT ---
Yep:

Unhandled exception: page fault on read access to 0x00000000 in 32-bit code
(0x052e44ec).
XYZZY: stack_get_current_frame returned false
Conditional jump or move depends on uninitialised value(s)
   at SymSetContext (dbghelp.c:487)
   by stack_set_frame_internal (stack.c:83)
   by stack_fetch_frames (stack.c:239)
   by dbg_exception_prolog (tgt_active.c:137)
   by dbg_handle_exception (tgt_active.c:274)
   by dbg_handle_debug_event (tgt_active.c:354)
   by wait_exception (tgt_active.c:556)
   by dbg_active_wait_for_first_exception (tgt_active.c:587)
   by dbg_active_auto (tgt_active.c:832)
   by main (winedbg.c:676)
 Uninitialised value was created by a stack allocation
   at stack_set_frame_internal (stack.c:70)