From: "Dominique d'Humières" <dominiq@lps.ens.fr>
To: ville.voutilainen@gmail.com
Cc: gcc-patches <gcc-patches@gcc.gnu.org>, libstdc++@gcc.gnu.org
Subject: Re: [v3 PATCH] LWG 2510, make the default constructors of library tag types explicit.
Date: Wed, 11 Nov 2015 17:18:00 -0000 [thread overview]
Message-ID: <50707C06-EB02-4B6B-A84C-40204207C07B@lps.ens.fr> (raw)
Revision r230175
> 2015-11-10 Ville Voutilainen <ville.voutilainen@gmail.com>
>
> LWG 2510, make the default constructors of library tag types
> explicit.
> * include/bits/mutex.h (defer_lock_t, try_lock_t,
> adopt_lock_t): Add an explicit default constructor.
> * include/bits/stl_pair.h (piecewise_construct_t): Likewise.
> * include/bits/uses_allocator.h (allocator_arg_t): Likewise.
> * libsupc++/new (nothrow_t): Likewise.
> * testsuite/17_intro/tag_type_explicit_ctor.cc: New.
breaks bootstrap
libtool: compile: /opt/gcc/build_w/./gcc/xgcc -shared-libgcc -B/opt/gcc/build_w/./gcc -nostdinc++ -L/opt/gcc/build_w/x86_64-apple-darwin14.5.0/libstdc++-v3/src -L/opt/gcc/build_w/x86_64-apple-darwin14.5.0/libstdc++-v3/src/.libs -L/opt/gcc/build_w/x86_64-apple-darwin14.5.0/libstdc++-v3/libsupc++/.libs -B/opt/gcc/gcc6w/x86_64-apple-darwin14.5.0/bin/ -B/opt/gcc/gcc6w/x86_64-apple-darwin14.5.0/lib/ -isystem /opt/gcc/gcc6w/x86_64-apple-darwin14.5.0/include -isystem /opt/gcc/gcc6w/x86_64-apple-darwin14.5.0/sys-include -I/opt/gcc/work/libstdc++-v3/../libgcc -I/opt/gcc/build_w/x86_64-apple-darwin14.5.0/libstdc++-v3/include/x86_64-apple-darwin14.5.0 -I/opt/gcc/build_w/x86_64-apple-darwin14.5.0/libstdc++-v3/include -I/opt/gcc/work/libstdc++-v3/libsupc++ -D_GLIBCXX_SHARED -fno-implicit-templates -Wall -Wextra -Wwrite-strings -Wcast-qual -Wabi -fdiagnostics-show-location=once -fvisibility-inlines-hidden -ffunction-sections -fdata-sections -frandom-seed=new_handler.lo -g -O2 -std=gnu++11 -c ../../../../work/libstdc++-v3/libsupc++/new_handler.cc -fno-common -DPIC -D_GLIBCXX_SHARED -o new_handler.o
../../../../work/libstdc++-v3/libsupc++/new_handler.cc:37:39: error: converting to 'std::nothrow_t' from initializer list would use explicit constructor 'constexpr std::nothrow_t::nothrow_t()'
const std::nothrow_t std::nothrow = { };
^
see https://gcc.gnu.org/ml/gcc-regression/2015-11/
Dominique
next reply other threads:[~2015-11-11 17:18 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-11 17:18 Dominique d'Humières [this message]
2015-11-11 17:30 ` Jonathan Wakely
2015-11-12 14:23 ` Gerald Pfeifer
2015-11-12 14:27 ` Ville Voutilainen
2015-11-12 14:36 ` Jonathan Wakely
2015-11-12 16:13 ` Jonathan Wakely
2015-11-12 16:19 ` Gerald Pfeifer
-- strict thread matches above, loose matches on Subject: below --
2015-11-10 20:01 Ville Voutilainen
2015-11-11 14:17 ` Jonathan Wakely
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