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From: "ro at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/113450] New: std/format/functions/format.cc FAILs
Date: Wed, 17 Jan 2024 15:06:56 +0000
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X-Bugzilla-Version: 14.0
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113450

            Bug ID: 113450
           Summary: std/format/functions/format.cc FAILs
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libstdc++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: ro at gcc dot gnu.org
                CC: redi at gcc dot gnu.org
  Target Milestone: ---
            Target: *-*-solaris2.11

The new std/format/functions/format.cc test FAILs on Solaris/SPARC and x86,
both
32 and 64-bit:

+FAIL: std/format/functions/format.cc  -std=3Dgnu++20 execution test
+FAIL: std/format/functions/format.cc  -std=3Dgnu++26 execution test

It shows an assertion failure

/vol/gcc/src/hg/master/local/libstdc++-v3/testsuite/std/format/functions/fo=
rmat.cc:360:
test_minmax()::<lambda(T, U)> [with T =3D char; U =3D unsigned char]: Asser=
tion 's
=3D=3D "-1" + zeros' failed.

#3  0x00027554 in operator()<char> (__closure=3D<optimized out>)
    at
/vol/gcc/src/hg/master/local/libstdc++-v3/testsuite/std/format/functions/fo=
rmat.cc:360
360         VERIFY( s =3D=3D "-1" + zeros );
(gdb) p s
$1 =3D {
  _M_dataplus =3D {<std::allocator<char>> =3D {<std::__new_allocator<char>>=
 =3D {<No
data fields>}, <No data fields>}, _M_p =3D 0xffbfe808 "10000000"},=20
  _M_string_length =3D 8, {
    _M_local_buf =3D "10000000\000\000\000\035\377\277\350\030",=20
    _M_allocated_capacity =3D 825241648}}=