[Bug target/53682] [4.7/4.8 Regression] ICE in cselib_lookup (SEGV) on i586-linux-gnu

[aoliva at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53682

--- Comment #9 from Alexandre Oliva <aoliva at gcc dot gnu.org> 2012-06-26 
20:22:05 UTC ---
Author: aoliva
Date: Tue Jun 26 20:21:58 2012
New Revision: 188997

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=188997
Log:
PR debug/53682
* cselib.c (promote_debug_loc): Don't crash on NULL argument.

Modified:
    branches/gcc-4_7-branch/gcc/ChangeLog
    branches/gcc-4_7-branch/gcc/cselib.c