[Bug middle-end/54957] Two crashes introduced by rev192488

[amylaar at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54957

--- Comment #17 from Jorn Wolfgang Rennecke <amylaar at gcc dot gnu.org> 2012-10-28 16:37:46 UTC ---
(In reply to comment #8)
> Created attachment 28466 [details]
> Proposed patch
> 
> Handle the possibility that stmt_bb may be NULL in emit_case_dispatch_table.
> Untested.

It works for arc-elf32.