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* [Bug c++/107584] New: internal compiler error: in finish_member_declaration, at cp/semantics.c:3023
@ 2022-11-09 0:27 viktor.shepel.public at gmail dot com
2022-11-09 0:30 ` [Bug c++/107584] " viktor.shepel.public at gmail dot com
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: viktor.shepel.public at gmail dot com @ 2022-11-09 0:27 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107584
Bug ID: 107584
Summary: internal compiler error: in finish_member_declaration,
at cp/semantics.c:3023
Product: gcc
Version: 7.5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: viktor.shepel.public at gmail dot com
Target Milestone: ---
Created attachment 53856
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53856&action=edit
preprocessed file for a testcase
!!!
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ticket.
!!! I'm figuring out why full report could not be submitted, see
!!! https://ibb.co/LQ9mpHt
!!! complete text available at https://ctxt.io/2/AAAQkcp6EA and will expire
in 1d
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Hi
Required items are below.
#1. exact version of GCC
7.5.0
#2. system type
$lsb_release -a
Distributor ID: Ubuntu
Description: Ubuntu 18.04.5 LTS
Release: 18.04
Codename: bionic
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/107584] internal compiler error: in finish_member_declaration, at cp/semantics.c:3023
2022-11-09 0:27 [Bug c++/107584] New: internal compiler error: in finish_member_declaration, at cp/semantics.c:3023 viktor.shepel.public at gmail dot com
@ 2022-11-09 0:30 ` viktor.shepel.public at gmail dot com
2022-11-09 0:32 ` viktor.shepel.public at gmail dot com
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: viktor.shepel.public at gmail dot com @ 2022-11-09 0:30 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107584
--- Comment #1 from Viktor Shepel <viktor.shepel.public at gmail dot com> ---
Hi
Required items are below.
#1. exact version of GCC
7.5.0
#2. system type
$lsb_release -a
Distributor ID: Ubuntu
Description: Ubuntu 18.04.5 LTS
Release: 18.04
Codename: bionic
#3. options given when GCC was configured/built
$g++ -v
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/7/lto-wrapper
OFFLOAD_TARGET_NAMES=nvptx-none
OFFLOAD_TARGET_DEFAULT=1
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu
7.5.0-3ubuntu1~18.04' --with-bugurl=file:///usr/share/doc/gcc-7/README.Bugs
--enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++ --prefix=/usr
--with-gcc-major-version-only --program-suffix=-7
--program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id
--libexecdir=/usr/lib --without-included-gettext --enable-threads=posix
--libdir=/usr/lib --enable-nls --enable-bootstrap --enable-clocale=gnu
--enable-libstdcxx-debug --enable-libstdcxx-time=yes
--with-default-libstdcxx-abi=new --enable-gnu-unique-object
--disable-vtable-verify --enable-libmpx --enable-plugin --enable-default-pie
--with-system-zlib --with-target-system-zlib --enable-objc-gc=auto
--enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64
--with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic
--enable-offload-targets=nvptx-none --without-cuda-driver
--enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu
--target=x86_64-linux-gnu
Thread model: posix
gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu1~18.04)
#4. complete command line that triggers the bug
g++ -std=c++17 issue.cpp
#5. compiler output
In file included from /usr/include/c++/7/bits/move.h:54:0,
from /usr/include/c++/7/bits/nested_exception.h:40,
from /usr/include/c++/7/exception:143,
from /usr/include/c++/7/ios:39,
from /usr/include/c++/7/ostream:38,
from /usr/include/c++/7/iostream:39,
from issue.cpp:1:
/usr/include/c++/7/type_traits: In instantiation of ‘struct
std::__detector<std::experimental::fundamentals_v2::nonesuch, void,
formatted_input_t, std::vector<int, std::allocator<int> > >’:
/usr/include/c++/7/experimental/type_traits:242:71: required by substitution
of ‘template<template<class ...> class _Op, class ... _Args> using is_detected
= typename std::__detector<std::experimental::fundamentals_v2::nonesuch, void,
_Op, _Args ...>::value_t [with _Op = formatted_input_t; _Args =
{std::vector<int, std::allocator<int> >}]’
issue.cpp:12:16: required from ‘constexpr const bool
is_ostreamable_v<std::vector<int> >’
issue.cpp:30:5: required from here
/usr/include/c++/7/type_traits:2512:5: internal compiler error: in
finish_member_declaration, at cp/semantics.c:3023
{
^
#6. preprocessed file
file `issue.ii` in attachment
Additional info:
#1. Versions 8.4.0, 9.4.0, 10.3.0 and 11.1.0 produce error rather crash
In file included from issue.cpp:4:
/usr/include/c++/11/experimental/type_traits: In substitution of
‘template<template<class ...> class _Op, class ... _Args> using is_detected =
typename std::__detector<std::experimental::fundamentals_v2::nonesuch, void,
_Op, _Args ...>::value_t [with _Op = formatted_input_t; _Args =
{std::vector<int, std::allocator<int> >}]’:
issue.cpp:19:66: required from ‘constexpr bool is_ostreamable() [with T =
std::vector<int>]’
issue.cpp:24:39: required by substitution of ‘template<class T, typename
std::enable_if<is_ostreamable<T>(), bool>::type <anonymous> > std::ostream&
operator<<(std::ostream&, const T&) [with T = std::vector<int>; typename
std::enable_if<is_ostreamable<T>(), bool>::type <anonymous> = <missing>]’
/usr/include/c++/11/experimental/type_traits:245:9: recursively required by
substitution of ‘template<class _Default, template<class ...> class _Op, class
... _Args> struct std::__detector<_Default, std::__void_t<_Op<_Args ...> >,
_Op, _Args ...> [with _Default = std::experimental::fundamentals_v2::nonesuch;
_Op = formatted_input_t; _Args = {std::vector<int, std::allocator<int> >}]’
/usr/include/c++/11/experimental/type_traits:245:9: required by substitution
of ‘template<template<class ...> class _Op, class ... _Args> using is_detected
= typename std::__detector<std::experimental::fundamentals_v2::nonesuch, void,
_Op, _Args ...>::value_t [with _Op = formatted_input_t; _Args =
{std::vector<int, std::allocator<int> >}]’
issue.cpp:15:4: required from ‘constexpr const bool
is_ostreamable_v<std::vector<int> >’
issue.cpp:30:5: required from here
/usr/include/c++/11/experimental/type_traits:245:9: error: invalid use of
incomplete type ‘struct
std::__detector<std::experimental::fundamentals_v2::nonesuch, void,
formatted_input_t, std::vector<int, std::allocator<int> > >’
245 | using is_detected
| ^~~~~~~~~~~
In file included from /usr/include/c++/11/bits/move.h:57,
from /usr/include/c++/11/bits/nested_exception.h:40,
from /usr/include/c++/11/exception:148,
from /usr/include/c++/11/ios:39,
from /usr/include/c++/11/ostream:38,
from /usr/include/c++/11/iostream:39,
from issue.cpp:1:
/usr/include/c++/11/type_traits:2542:12: note: declaration of ‘struct
std::__detector<std::experimental::fundamentals_v2::nonesuch, void,
formatted_input_t, std::vector<int, std::allocator<int> > >’
2542 | struct __detector
| ^~~~~~~~~~
#2. CVISE reduced testcase
#include <experimental/type_traits>
#include <iostream>
#include <vector>
template <class T>
using formatted_input_t =
decltype(std::declval<std::ostream>() << std::declval<T>());
template <class T>
bool is_ostreamable_v =
std::experimental::is_detected<formatted_input_t, T>::value;
template <class T> constexpr bool is_ostreamable() {
return std::experimental::is_detected<formatted_input_t, T>::value;
}
template <class T, std::enable_if_t<is_ostreamable<T>()> = true>
std::ostream operator<<(std::ostream, T);
int main() {
using T = std::vector<int>;
is_ostreamable_v<T>;
}
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/107584] internal compiler error: in finish_member_declaration, at cp/semantics.c:3023
2022-11-09 0:27 [Bug c++/107584] New: internal compiler error: in finish_member_declaration, at cp/semantics.c:3023 viktor.shepel.public at gmail dot com
2022-11-09 0:30 ` [Bug c++/107584] " viktor.shepel.public at gmail dot com
@ 2022-11-09 0:32 ` viktor.shepel.public at gmail dot com
2022-11-09 0:48 ` mpolacek at gcc dot gnu.org
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: viktor.shepel.public at gmail dot com @ 2022-11-09 0:32 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107584
--- Comment #2 from Viktor Shepel <viktor.shepel.public at gmail dot com> ---
Created attachment 53857
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53857&action=edit
testcase
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/107584] internal compiler error: in finish_member_declaration, at cp/semantics.c:3023
2022-11-09 0:27 [Bug c++/107584] New: internal compiler error: in finish_member_declaration, at cp/semantics.c:3023 viktor.shepel.public at gmail dot com
2022-11-09 0:30 ` [Bug c++/107584] " viktor.shepel.public at gmail dot com
2022-11-09 0:32 ` viktor.shepel.public at gmail dot com
@ 2022-11-09 0:48 ` mpolacek at gcc dot gnu.org
2022-11-09 0:57 ` pinskia at gcc dot gnu.org
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2022-11-09 0:48 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107584
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|UNCONFIRMED |RESOLVED
CC| |mpolacek at gcc dot gnu.org
--- Comment #3 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
GCC 7 is not supported anymore and this doesn't crash with supported versions.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/107584] internal compiler error: in finish_member_declaration, at cp/semantics.c:3023
2022-11-09 0:27 [Bug c++/107584] New: internal compiler error: in finish_member_declaration, at cp/semantics.c:3023 viktor.shepel.public at gmail dot com
` (2 preceding siblings ...)
2022-11-09 0:48 ` mpolacek at gcc dot gnu.org
@ 2022-11-09 0:57 ` pinskia at gcc dot gnu.org
2022-11-09 1:01 ` pinskia at gcc dot gnu.org
2022-11-28 22:17 ` pinskia at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: pinskia at gcc dot gnu.org @ 2022-11-09 0:57 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107584
--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Marek Polacek from comment #3)
> GCC 7 is not supported anymore and this doesn't crash with supported
> versions.
Also the reduced testcase started to be accepted in GCC 12.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/107584] internal compiler error: in finish_member_declaration, at cp/semantics.c:3023
2022-11-09 0:27 [Bug c++/107584] New: internal compiler error: in finish_member_declaration, at cp/semantics.c:3023 viktor.shepel.public at gmail dot com
` (3 preceding siblings ...)
2022-11-09 0:57 ` pinskia at gcc dot gnu.org
@ 2022-11-09 1:01 ` pinskia at gcc dot gnu.org
2022-11-28 22:17 ` pinskia at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: pinskia at gcc dot gnu.org @ 2022-11-09 1:01 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107584
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://gcc.gnu.org/bugzill
| |a/show_bug.cgi?id=103700
--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
The fix for the rejection is most likely PR 103700.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/107584] internal compiler error: in finish_member_declaration, at cp/semantics.c:3023
2022-11-09 0:27 [Bug c++/107584] New: internal compiler error: in finish_member_declaration, at cp/semantics.c:3023 viktor.shepel.public at gmail dot com
` (4 preceding siblings ...)
2022-11-09 1:01 ` pinskia at gcc dot gnu.org
@ 2022-11-28 22:17 ` pinskia at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: pinskia at gcc dot gnu.org @ 2022-11-28 22:17 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107584
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |12.0
^ permalink raw reply [flat|nested] 7+ messages in thread
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2022-11-09 0:27 [Bug c++/107584] New: internal compiler error: in finish_member_declaration, at cp/semantics.c:3023 viktor.shepel.public at gmail dot com
2022-11-09 0:30 ` [Bug c++/107584] " viktor.shepel.public at gmail dot com
2022-11-09 0:32 ` viktor.shepel.public at gmail dot com
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