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[Bug debug/54177] [4.8 Regression]: Segfault in cselib_lookup due to NULL_RTX passed from vt_add_function_parameter
- 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: Tue, 02 Oct 2012 19:58:41 +0000
- Subject: [Bug debug/54177] [4.8 Regression]: Segfault in cselib_lookup due to NULL_RTX passed from vt_add_function_parameter
- Auto-submitted: auto-generated
- References: <bug-54177-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54177
--- Comment #6 from Alexandre Oliva <aoliva at gcc dot gnu.org> 2012-10-02 19:58:41 UTC ---
Author: aoliva
Date: Tue Oct 2 19:58:37 2012
New Revision: 191999
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=191999
Log:
PR debug/54177
* var-tracking.c (vt_add_function_parameter): Bail if
var_lowpart fails.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/var-tracking.c