[Bug debug/48343] [4.6/4.7 Regression] ICE compiling i586 linux-2.6.38/drivers/staging/wlan-ng/p80211wep.c: in form_sum, at reload.c:5338

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48343

--- Comment #11 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-04-07 
18:05:11 UTC ---
Author: jakub
Date: Thu Apr  7 18:05:08 2011
New Revision: 172110

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=172110
Log:
    PR debug/48343
    * combine.c (combine_instructions): Add last_combined_insn,
    update it if insn is after it, pass it to all try_combine
    calls.
    (try_combine): Add last_combined_insn parameter, pass it instead of
    i3 to propagate_for_debug.

    * gcc.dg/torture/pr48343.c: New test.

Added:
    branches/gcc-4_6-branch/gcc/testsuite/gcc.dg/torture/pr48343.c
Modified:
    branches/gcc-4_6-branch/gcc/ChangeLog
    branches/gcc-4_6-branch/gcc/combine.c
    branches/gcc-4_6-branch/gcc/testsuite/ChangeLog