[Bug tree-optimization/83337] [8 Regression] ICE at -O3 x86_64-linux-gnu: in interpret_rhs_expr, at tree-scalar-evolution.c:1775

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83337

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Sun Dec 10 10:39:56 2017
New Revision: 255528

URL: https://gcc.gnu.org/viewcvs?rev=255528&root=gcc&view=rev
Log:
        PR tree-optimization/83337
        * gimple-loop-interchange.cc (compute_access_stride): Handle bitfield
DRs
        properly.

        * gcc.dg/tree-ssa/loop-interchange-14.c: New test.
        * gcc.dg/tree-ssa/loop-interchange-15.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/loop-interchange-14.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/loop-interchange-15.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-loop-interchange.cc
    trunk/gcc/testsuite/ChangeLog