[Bug rtl-optimization/65321] [5 Regression] ICE on valid code at -O2 and -O3 with -g enabled in decompose, at rtl.h:2007

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65321

--- Comment #11 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Mar 10 06:36:50 2015
New Revision: 221298

URL: https://gcc.gnu.org/viewcvs?rev=221298&root=gcc&view=rev
Log:
    PR rtl-optimization/65321
    * cfgexpand.c (expand_debug_expr): Ensure shift amount isn't wider
    than shift mode.
    * var-tracking.c (use_narrower_mode): Likewise.

    * gcc.dg/pr65321.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr65321.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cfgexpand.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/var-tracking.c