[Bug tree-optimization/69167] [6 Regression] internal compiler error: SSA corruption

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69167

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri Jan  8 20:50:24 2016
New Revision: 232178

URL: https://gcc.gnu.org/viewcvs?rev=232178&root=gcc&view=rev
Log:
        PR tree-optimization/69167
        * gimple-fold.c (replace_stmt_with_simplification): Also punt if
        new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
        ops[0] comparison.
        * gimple-match-head.c (maybe_push_res_to_seq): Likewise.

        * gcc.dg/pr69167.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr69167.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-fold.c
    trunk/gcc/gimple-match-head.c
    trunk/gcc/testsuite/ChangeLog