[Bug rtl-optimization/52092] [4.7 Regression] ICE: internal consistency failure

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52092

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-02-03 11:55:33 UTC ---
Author: jakub
Date: Fri Feb  3 11:55:29 2012
New Revision: 183869

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=183869
Log:
    PR rtl-optimization/52092
    * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
    on get_iv_value result.

    * gcc.c-torture/compile/pr52092.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr52092.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/loop-unswitch.c
    trunk/gcc/testsuite/ChangeLog