[Bug middle-end/81832] [8 Regression] ICE in expand_LOOP_DIST_ALIAS, at internal-fn.c:2273

[aldyh at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81832

--- Comment #3 from Aldy Hernandez <aldyh at gcc dot gnu.org> ---
Author: aldyh
Date: Wed Sep 13 17:01:56 2017
New Revision: 252444

URL: https://gcc.gnu.org/viewcvs?rev=252444&root=gcc&view=rev
Log:
        PR tree-optimization/81832
        * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Don't
        copy loop header which has IFN_LOOP_DIST_ALIAS call.

        gcc/testsuite
        * gcc.dg/tree-ssa/pr81832.c: New test.

Added:
    branches/range-gen2/gcc/testsuite/gcc.dg/tree-ssa/pr81832.c
Modified:
    branches/range-gen2/gcc/ChangeLog
    branches/range-gen2/gcc/testsuite/ChangeLog
    branches/range-gen2/gcc/tree-ssa-loop-ch.c