This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug target/53682] [4.7/4.8 Regression] ICE in cselib_lookup (SEGV) on i586-linux-gnu
- From: "aoliva at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 18 Jun 2012 10:31:09 +0000
- Subject: [Bug target/53682] [4.7/4.8 Regression] ICE in cselib_lookup (SEGV) on i586-linux-gnu
- Auto-submitted: auto-generated
- References: <bug-53682-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53682
Alexandre Oliva <aoliva at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
--- Comment #3 from Alexandre Oliva <aoliva at gcc dot gnu.org> 2012-06-18 10:31:09 UTC ---
Mine. AFAICT the problem is that promote_debug_loc crashes when the loc list
for a VALUE is temporarily cleared within alias.c to avoid infinite recursion.
Getting it to return if passed a NULL pointer seems to be the correct fix.
AFAICT we won't run into this except within var-tracking.