[Bug rtl-optimization/68691] ICE at -O3 with -g enabled on x86_64-linux-gnu in alter_subregs, at lra-spills.c:610 (in 32-bit mode)

[vmakarov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68691

--- Comment #4 from Vladimir Makarov <vmakarov at gcc dot gnu.org> ---
Author: vmakarov
Date: Thu Dec 10 18:00:47 2015
New Revision: 231538

URL: https://gcc.gnu.org/viewcvs?rev=231538&root=gcc&view=rev
Log:
2015-12-10  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/68691
        * lra-spills.c (lra_final_code_change): Check pseudo occurrence
        number in non-debug insns and remove debug insns if necessary.

2015-12-10  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/68691
        * gcc.target/i386/pr68691.c: New.


Added:
    trunk/gcc/testsuite/gcc.target/i386/pr68691.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/lra-spills.c
    trunk/gcc/testsuite/ChangeLog