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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug libstdc++/104019] Testsuite
 17_intro/headers/c++2020/stdc++_multiple_inclusion.cc failures
Date: Sat, 15 Jan 2022 08:58:22 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104019

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2022-01-15
             Target|                            |*-*-freebsd* *-*-dragonfly*

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---

Oh there is a difference:
include/bits/utility.h:#define __cpp_lib_integer_sequence 201304L
include/std/version:# define __cpp_lib_integer_sequence 201304

include/std/utility:#define __cpp_lib_exchange_function 201304L
include/std/version:# define __cpp_lib_exchange_function 201304


// FreeBSD wants warning clean system headers:
// { dg-options "-Wall -Wsystem-headers" { target *-*-freebsd* *-*-dragonfl=
y* }
}


Confirmed.
I suspect there are more regressions lately because we have not had a tests=
uite
results from dragonfly recently likewise from freebsd too.=