[Bug tree-optimization/82402] [6 Regression] error: SSA_NAME_OCCURS_IN_ABNORMAL_PHI should be set

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82402

--- Comment #11 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed Jun 20 11:09:28 2018
New Revision: 261799

URL: https://gcc.gnu.org/viewcvs?rev=261799&root=gcc&view=rev
Log:
2018-06-20  Richard Biener  <rguenther@suse.de>

        Backport from mainline
        2018-01-01  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/83623
        * expmed.c (expand_shift_1): For 2-byte rotates by BITS_PER_UNIT,
        check for bswap in mode rather than HImode and use that in expand_unop
        too.

        * gcc.dg/pr83623.c: New test.

        2017-09-26  Richard Biener  <rguenther@suse.de>

        Backport from mainline
        2017-09-20  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/82264
        * tree-ssa-sccvn.c (vn_phi_eq): Use safe_dyn_cast to check
        for GIMPLE_CONDs.
        (vn_phi_lookup): Likewise.
        (vn_phi_insert): Likewise.
        * is-a.h (safe_dyn_cast): New.

        * gcc.dg/torture/pr82264.c: New testcase.

        2017-09-25  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/82285
        * tree-vect-patterns.c (vect_recog_bool_pattern): Also handle
        enumeral types.

        * gcc.dg/torture/pr82285.c: New testcase.

        2017-11-24  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/82402
        * tree-vect-loop-manip.c (create_lcssa_for_virtual_phi): Properly
        set SSA_NAME_OCCURS_IN_ABNORMAL_PHI.

        * gcc.dg/torture/pr82402.c: New testcase.

        2017-10-24  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/82697
        * tree-ssa-phiopt.c (cond_store_replacement): Use alias-set
        zero for conditional load and unconditional store.

        * gcc.dg/torture/pr82697.c: New testcase.

        2017-11-02  Richard Biener  <rguenther@suse.de>

        PR middle-end/82765
        * varasm.c (decode_addr_const): Make offset HOST_WIDE_INT.
        Truncate ARRAY_REF index and element size.

        * gcc.dg/pr82765.c: New testcase.

        2018-01-08  Richard Biener  <rguenther@suse.de>

        PR middle-end/83713
        * convert.c (do_narrow): Properly guard TYPE_OVERFLOW_WRAPS checks.

        * g++.dg/torture/pr83713.C: New testcase.

Added:
    branches/gcc-6-branch/gcc/testsuite/g++.dg/torture/pr83713.C
    branches/gcc-6-branch/gcc/testsuite/gcc.dg/pr82765.c
    branches/gcc-6-branch/gcc/testsuite/gcc.dg/pr83623.c
    branches/gcc-6-branch/gcc/testsuite/gcc.dg/torture/pr82264.c
    branches/gcc-6-branch/gcc/testsuite/gcc.dg/torture/pr82285.c
    branches/gcc-6-branch/gcc/testsuite/gcc.dg/torture/pr82402.c
    branches/gcc-6-branch/gcc/testsuite/gcc.dg/torture/pr82697.c
Modified:
    branches/gcc-6-branch/gcc/ChangeLog
    branches/gcc-6-branch/gcc/convert.c
    branches/gcc-6-branch/gcc/expmed.c
    branches/gcc-6-branch/gcc/is-a.h
    branches/gcc-6-branch/gcc/testsuite/ChangeLog
    branches/gcc-6-branch/gcc/tree-ssa-alias.c
    branches/gcc-6-branch/gcc/tree-ssa-phiopt.c
    branches/gcc-6-branch/gcc/tree-ssa-sccvn.c
    branches/gcc-6-branch/gcc/tree-vect-loop-manip.c
    branches/gcc-6-branch/gcc/tree-vect-patterns.c
    branches/gcc-6-branch/gcc/varasm.c