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

[amker at gcc dot gnu.org]

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

--- Comment #2 from amker at gcc dot gnu.org ---
Author: amker
Date: Wed Aug 16 15:02:03 2017
New Revision: 251123

URL: https://gcc.gnu.org/viewcvs?rev=251123&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:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr81832.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-loop-ch.c