[Bug debug/49522] Divide by zero in validate_subreg in emit-rtl.c:695
jakub at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Thu Jul 7 19:11:00 GMT 2011
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49522
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-07-07 19:10:05 UTC ---
Author: jakub
Date: Thu Jul 7 19:10:01 2011
New Revision: 176003
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=176003
Log:
PR debug/49522
* df-problems.c (dead_debug_reset): Remove dead_debug_uses
referencing debug insns that have been reset.
(dead_debug_insert_before): Don't assert reg is non-NULL,
instead return immediately if it is NULL.
* gcc.dg/debug/pr49522.c: New test.
Added:
branches/gcc-4_6-branch/gcc/testsuite/gcc.dg/debug/pr49522.c
Modified:
branches/gcc-4_6-branch/gcc/ChangeLog
branches/gcc-4_6-branch/gcc/df-problems.c
branches/gcc-4_6-branch/gcc/testsuite/ChangeLog
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