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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++/107815] New: 20_util/to_chars/float128_c++23.cc FAILs
Date: Tue, 22 Nov 2022 13:46:33 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107815

            Bug ID: 107815
           Summary: 20_util/to_chars/float128_c++23.cc FAILs
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libstdc++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: ro at gcc dot gnu.org
                CC: jakub at gcc dot gnu.org
  Target Milestone: ---
            Target: sparc*-sun-solaris2.11, hppa64-hp-hpux11.11

The 20_util/to_chars/float128_c++23.cc test FAILs on SPARC (32 and 64-bit)
since it was introduced:

+FAIL: 20_util/to_chars/float128_c++23.cc execution test

There are also reports on HP-UX.

The log shows:

/vol/gcc/src/hg/master/local/libstdc++-v3/testsuite/20_util/to_chars/float1=
28_c++23.cc:66:
void test(std::chars_format): Assertion 'ec2 =3D=3D std::errc() && ptr2 - s=
tr2 =3D=3D
ptr1 - str1' failed.

Weirdly, if I recompile the test manually, I get this instead:

/vol/gcc/src/hg/master/local/libstdc++-v3/testsuite/20_util/to_chars/float1=
28_c++23.cc:74:
void test(std::chars_format): Assertion 'ec4 =3D=3D std::errc() && ptr4 =3D=
=3D ptr1'
failed.=