[Bug tree-optimization/77677] [7 Regression] ICE at -O1 and above in both 32-bit and 64-bit modes on x86_64-linux-gnu (internal compiler error: in set_value_range, at tree-vrp.c:361)

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77677

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Sep 22 12:16:12 2016
New Revision: 240352

URL: https://gcc.gnu.org/viewcvs?rev=240352&root=gcc&view=rev
Log:
2016-09-22  Richard Biener  <rguenther@suse.de>

        PR middle-end/77677
        * gimple-match-head.c (gimple_resimplify1): Drop TREE_OVERFLOW
        from constant folding results.
        (gimple_resimplify2): Likewise.
        (gimple_resimplify3): Likewise.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-match-head.c