[Bug target/47201] [4.5 Regression] ICE: SIGSEGV in adjust_mems (var-tracking.c:814) with -O -fPIC -g

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47201

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-01-16 
20:27:57 UTC ---
Author: jakub
Date: Sun Jan 16 20:27:54 2011
New Revision: 168870

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=168870
Log:
    Backport from mainline
    2011-01-07  Jakub Jelinek  <ja...@redhat.com>

    PR target/47201
    * config/i386/i386.c (ix86_delegitimize_address): If
    simplify_gen_subreg fails, return orig_x.

    * gcc.dg/pr47201.c: New test.

Added:
    branches/gcc-4_5-branch/gcc/testsuite/gcc.dg/pr47201.c
Modified:
    branches/gcc-4_5-branch/gcc/ChangeLog
    branches/gcc-4_5-branch/gcc/config/i386/i386.c
    branches/gcc-4_5-branch/gcc/testsuite/ChangeLog