[PATCH] Fix ICEs with dump_loc (PR middle-end/56074)

[Jeff Law]

On 01/22/2013 09:49 AM, Jakub Jelinek wrote:
> Hi!
>
> While glibc fprintf allows printing %s with NULL argument as (null),
> other C libraries aren't that forgiving.  If loc isn't UNKNOWN_LOCATION,
> but say BUILTINS_LOCATION, UNKNOWN_LOCATION with an associated BLOCK etc.,
> we might ICE on those hosts.  The patch also changes find_loop_location,
> so that it attempts to find a better location.
>
> Bootstrapped/regtested on x86_64-linux and i686-linux, ok for trunk?
>
> 2013-01-22  Jakub Jelinek  <jakub@redhat.com>
>
> 	PR middle-end/56074
> 	* dumpfile.c (dump_loc): Only print loc if LOCATION_LOCUS (loc)
> 	isn't UNKNOWN_LOCATION nor BUILTINS_LOCATION.
> 	* tree-vect-loop-manip.c (find_loop_location): Also ignore
> 	stmt locations where LOCATION_LOCUS of the stmt location is
> 	UNKNOWN_LOCATION or BUILTINS_LOCATION.
OK.
Jeff