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From: "seurer at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug other/107665] New: [13 regression] g++.dg/cpp23/ext-floating1.C
 fails after r13-3387-g79d38dd46e6b07
Date: Sun, 13 Nov 2022 05:00:34 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107665

            Bug ID: 107665
           Summary: [13 regression] g++.dg/cpp23/ext-floating1.C fails
                    after r13-3387-g79d38dd46e6b07
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: other
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at gcc dot gnu.org
  Target Milestone: ---

Tried g:79d38dd46e6b07e5a90ab25df1438eb0918eb475, r13-3387-g79d38dd46e6b07
make  -k check-gcc RUNTESTFLAGS=3D"dg.exp=3Dg++.dg/cpp23/ext-floating1.C"
FAIL: g++.dg/cpp23/ext-floating1.C  -std=3Dgnu++23 (test for excess errors)
# of unexpected failures        1

This is failing on powerpc64 when the compiler is built with=20
--with-long-double-format=3Dieee.

Excess errors:
/home/seurer/gcc/git/gcc-test/gcc/testsuite/g++.dg/cpp23/ext-floating1.C:27=
:54:
error: static assertion failed
/home/seurer/gcc/git/gcc-test/gcc/testsuite/g++.dg/cpp23/ext-floating1.C:28=
:54:
error: static assertion failed
/home/seurer/gcc/git/gcc-test/gcc/testsuite/g++.dg/cpp23/ext-floating1.C:29=
:61:
error: static assertion failed
/home/seurer/gcc/git/gcc-test/gcc/testsuite/g++.dg/cpp23/ext-floating1.C:30=
:61:
error: static assertion failed


The failures are here:

#ifdef __SIZEOF_FLOAT128__
static_assert (is_same<decltype (0.0q), __float128>::value);
static_assert (is_same<decltype (0.0Q), __float128>::value);
static_assert (is_same<decltype (0.0q + 0.0q), __float128>::value);
static_assert (is_same<decltype (0.0Q + 0.0Q), __float128>::value);
#endif


commit 79d38dd46e6b07e5a90ab25df1438eb0918eb475 (HEAD)
Author: Jakub Jelinek <jakub@redhat.com>
Date:   Wed Oct 19 18:55:46 2022 +0200

    testsuite: Default make check-g++ vs. tests for newest C++ standard=