[Bug debug/46893] [4.5/4.6 Regression] ICE: in trunc_int_for_mode, at explow.c:56 with -O -g

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46893

--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> 2010-12-16 
17:14:35 UTC ---
Author: jakub
Date: Thu Dec 16 17:14:30 2010
New Revision: 167949

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=167949
Log:
    PR debug/46893
    * cfgexpand.c (expand_debug_expr): If GET_MODE (op0) is VOIDmode,
    use TYPE_MODE (TREE_TYPE (tem)) instead of mode1.

    * gcc.dg/pr46893.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr46893.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cfgexpand.c
    trunk/gcc/testsuite/ChangeLog