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* [Bug libstdc++/94520] New: [10 Regression] <charconv> no longer compiles in C++14
@ 2020-04-07 15:26 redi at gcc dot gnu.org
2020-04-07 15:27 ` [Bug libstdc++/94520] " redi at gcc dot gnu.org
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: redi at gcc dot gnu.org @ 2020-04-07 15:26 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94520
Bug ID: 94520
Summary: [10 Regression] <charconv> no longer compiles in C++14
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Keywords: rejects-valid
Severity: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: redi at gcc dot gnu.org
Target Milestone: ---
This is supposed to be supported in C++14 as an extension:
#include <charconv>
int main() { }
But since r272695 it no longer works:
/home/jwakely/gcc/10/include/c++/10.0.1/charconv:71:21: error: '__or_v' was not
declared in this scope; did you mean '__or_'?
71 | = enable_if_t<__or_v<__is_signed_integer<_Tp>,
| ^~~~~~
| __or_
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug libstdc++/94520] [10 Regression] <charconv> no longer compiles in C++14
2020-04-07 15:26 [Bug libstdc++/94520] New: [10 Regression] <charconv> no longer compiles in C++14 redi at gcc dot gnu.org
@ 2020-04-07 15:27 ` redi at gcc dot gnu.org
2020-04-07 16:33 ` cvs-commit at gcc dot gnu.org
2020-04-07 16:35 ` redi at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: redi at gcc dot gnu.org @ 2020-04-07 15:27 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94520
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Known to fail| |10.0
Ever confirmed|0 |1
Known to work| |9.3.0
Target Milestone|--- |10.0
Last reconfirmed| |2020-04-07
Assignee|unassigned at gcc dot gnu.org |redi at gcc dot gnu.org
Status|UNCONFIRMED |ASSIGNED
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug libstdc++/94520] [10 Regression] <charconv> no longer compiles in C++14
2020-04-07 15:26 [Bug libstdc++/94520] New: [10 Regression] <charconv> no longer compiles in C++14 redi at gcc dot gnu.org
2020-04-07 15:27 ` [Bug libstdc++/94520] " redi at gcc dot gnu.org
@ 2020-04-07 16:33 ` cvs-commit at gcc dot gnu.org
2020-04-07 16:35 ` redi at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2020-04-07 16:33 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94520
--- Comment #1 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Jonathan Wakely <redi@gcc.gnu.org>:
https://gcc.gnu.org/g:c104e8f1b67a75ea82c62f1fd2aac69c09127562
commit r10-7601-gc104e8f1b67a75ea82c62f1fd2aac69c09127562
Author: Jonathan Wakely <jwakely@redhat.com>
Date: Tue Apr 7 17:18:21 2020 +0100
libstdc++: Restore ability to use <charconv> in C++14 (PR 94520)
This C++17 header is supported in C++14 as a GNU extension, but stopped
working last year because I made it depend on an internal helper which
is only defined for C++17 and up.
PR libstdc++/94520
* include/std/charconv (__integer_to_chars_result_type)
(__integer_from_chars_result_type): Use __or_ instead of __or_v_ to
allow use in C++14.
* testsuite/20_util/from_chars/1.cc: Run test as C++14 and replace
use of std::string_view with std::string.
* testsuite/20_util/from_chars/2.cc: Likewise.
* testsuite/20_util/to_chars/1.cc: Likewise.
* testsuite/20_util/to_chars/2.cc: Likewise.
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug libstdc++/94520] [10 Regression] <charconv> no longer compiles in C++14
2020-04-07 15:26 [Bug libstdc++/94520] New: [10 Regression] <charconv> no longer compiles in C++14 redi at gcc dot gnu.org
2020-04-07 15:27 ` [Bug libstdc++/94520] " redi at gcc dot gnu.org
2020-04-07 16:33 ` cvs-commit at gcc dot gnu.org
@ 2020-04-07 16:35 ` redi at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: redi at gcc dot gnu.org @ 2020-04-07 16:35 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94520
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|ASSIGNED |RESOLVED
--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Fixed.
^ permalink raw reply [flat|nested] 4+ messages in thread
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2020-04-07 15:26 [Bug libstdc++/94520] New: [10 Regression] <charconv> no longer compiles in C++14 redi at gcc dot gnu.org
2020-04-07 15:27 ` [Bug libstdc++/94520] " redi at gcc dot gnu.org
2020-04-07 16:33 ` cvs-commit at gcc dot gnu.org
2020-04-07 16:35 ` redi at gcc dot gnu.org
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