[Bug debug/54551] DF resets some DEBUG_INSNs unnecessarily

[aoliva at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54551

--- Comment #8 from Alexandre Oliva <aoliva at gcc dot gnu.org> 2012-10-30 23:47:43 UTC ---
Author: aoliva
Date: Tue Oct 30 23:47:35 2012
New Revision: 193003

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193003
Log:
PR debug/54551
PR debug/54693
* valtrack.c (dead_debug_promote_uses): Assert-check that
global used bit was clear and initialize entry
unconditionally.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/valtrack.c