[Bug testsuite/82951] gcc.c-torture/execute/20040409-1.c undefined behavior

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82951

--- Comment #4 from Marc Glisse <glisse at gcc dot gnu.org> ---
Author: glisse
Date: Mon Nov 20 13:26:39 2017
New Revision: 254954

URL: https://gcc.gnu.org/viewcvs?rev=254954&root=gcc&view=rev
Log:
VRP: x+1 and -x cannot be INT_MIN

2017-11-20  Marc Glisse  <marc.gli...@inria.fr>

gcc/
        * vr-values.c (extract_range_from_binary_expr): Use a full range
        for VR_VARYING.

gcc/testsuite/
        PR testsuite/82951
        * gcc.c-torture/execute/20040409-1.c: Move invalid tests...
        * gcc.c-torture/execute/20040409-1w.c: ... here with -fwrapv.
        * gcc.c-torture/execute/20040409-2.c: Move invalid tests...
        * gcc.c-torture/execute/20040409-2w.c: ... here with -fwrapv.
        * gcc.c-torture/execute/20040409-3.c: Move invalid tests...
        * gcc.c-torture/execute/20040409-3w.c: ... here with -fwrapv.
        * gcc.dg/tree-ssa/cmpmul-1.c: Tweak condition.
        * gcc.dg/tree-ssa/vrp118.c: New file.

Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/20040409-1w.c
    trunk/gcc/testsuite/gcc.c-torture/execute/20040409-2w.c
    trunk/gcc/testsuite/gcc.c-torture/execute/20040409-3w.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp118.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.c-torture/execute/20040409-1.c
    trunk/gcc/testsuite/gcc.c-torture/execute/20040409-2.c
    trunk/gcc/testsuite/gcc.c-torture/execute/20040409-3.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/cmpmul-1.c
    trunk/gcc/vr-values.c