[Bug rtl-optimization/58438] [4.9 Regression] ICE: in check_rtl, at lra.c:2036

[vmakarov at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58438

--- Comment #5 from Vladimir Makarov <vmakarov at gcc dot gnu.org> ---
Author: vmakarov
Date: Wed Sep 18 18:24:49 2013
New Revision: 202714

URL: http://gcc.gnu.org/viewcvs?rev=202714&root=gcc&view=rev
Log:
2013-09-18  Vladimir Makarov  <vmaka...@redhat.com>

    PR rtl-optimization/58438
    * lra.c (lra): Clear lra_optional_reload_pseudos in upper loop.
    * lra-constraints.c (undo_optional_reloads): Keep optional reloads
    from previous subpasses.

2013-09-18  Vladimir Makarov  <vmaka...@redhat.com>

    PR rtl-optimization/58438
    * g++.dg/pr58438.C: New test.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/lra-constraints.c
    trunk/gcc/lra.c
    trunk/gcc/testsuite/ChangeLog