public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
* [Bug c++/99472] New: [modules] std=c++2b flag appears incompatible with C++20 module code
@ 2021-03-08 18:09 wjwray at gmail dot com
2021-03-08 19:43 ` [Bug c++/99472] " mpolacek at gcc dot gnu.org
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: wjwray at gmail dot com @ 2021-03-08 18:09 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99472
Bug ID: 99472
Summary: [modules] std=c++2b flag appears incompatible with
C++20 module code
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: wjwray at gmail dot com
Target Milestone: ---
Same as bug 99436, submitting with [modules] subject and CE link
https://godbolt.org/z/8ME9d8
export module foo;
This works: -std=c++20 -fmodules-ts
This fails: -std=c++2b -fmodules-ts
-> ICE
This fails: -std=c++2b
-> warning: keyword 'export' is enabled with '-fmodules-ts'
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/99472] [modules] std=c++2b flag appears incompatible with C++20 module code
2021-03-08 18:09 [Bug c++/99472] New: [modules] std=c++2b flag appears incompatible with C++20 module code wjwray at gmail dot com
@ 2021-03-08 19:43 ` mpolacek at gcc dot gnu.org
2021-03-08 19:44 ` nathan at gcc dot gnu.org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2021-03-08 19:43 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99472
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Ever confirmed|0 |1
CC| |mpolacek at gcc dot gnu.org
Last reconfirmed| |2021-03-08
--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
get_cxx_dialect_name doesn't handle C++23 yet. Looks like Nathan is on it.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/99472] [modules] std=c++2b flag appears incompatible with C++20 module code
2021-03-08 18:09 [Bug c++/99472] New: [modules] std=c++2b flag appears incompatible with C++20 module code wjwray at gmail dot com
2021-03-08 19:43 ` [Bug c++/99472] " mpolacek at gcc dot gnu.org
@ 2021-03-08 19:44 ` nathan at gcc dot gnu.org
2021-03-09 13:11 ` cvs-commit at gcc dot gnu.org
2021-03-09 13:12 ` nathan at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: nathan at gcc dot gnu.org @ 2021-03-08 19:44 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99472
--- Comment #2 from Nathan Sidwell <nathan at gcc dot gnu.org> ---
indeed, also enabling modules test in 2b mode
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/99472] [modules] std=c++2b flag appears incompatible with C++20 module code
2021-03-08 18:09 [Bug c++/99472] New: [modules] std=c++2b flag appears incompatible with C++20 module code wjwray at gmail dot com
2021-03-08 19:43 ` [Bug c++/99472] " mpolacek at gcc dot gnu.org
2021-03-08 19:44 ` nathan at gcc dot gnu.org
@ 2021-03-09 13:11 ` cvs-commit at gcc dot gnu.org
2021-03-09 13:12 ` nathan at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-03-09 13:11 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99472
--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Nathan Sidwell <nathan@gcc.gnu.org>:
https://gcc.gnu.org/g:4b3d86a7768a7562798f17f074f540fbc288ec3b
commit r11-7575-g4b3d86a7768a7562798f17f074f540fbc288ec3b
Author: Nathan Sidwell <nathan@acm.org>
Date: Tue Mar 9 05:08:09 2021 -0800
c++: Clarify note about -fmodules-ts [PR 99472]
This clarifies that c++2[03] intentionally does not enable
c++20 modules.
PR c++/99472
gcc/cp/
* parser.c (cp_parser_diagnose_invalid_type_name): Clarify
that C++20 does not yet imply modules.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/99472] [modules] std=c++2b flag appears incompatible with C++20 module code
2021-03-08 18:09 [Bug c++/99472] New: [modules] std=c++2b flag appears incompatible with C++20 module code wjwray at gmail dot com
` (2 preceding siblings ...)
2021-03-09 13:11 ` cvs-commit at gcc dot gnu.org
@ 2021-03-09 13:12 ` nathan at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: nathan at gcc dot gnu.org @ 2021-03-09 13:12 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99472
Nathan Sidwell <nathan at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|ASSIGNED |RESOLVED
--- Comment #4 from Nathan Sidwell <nathan at gcc dot gnu.org> ---
4b3d86a7768 2021-03-09 | c++: Clarify note about -fmodules-ts [PR 99472]
it is intentional
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2021-03-09 13:12 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-03-08 18:09 [Bug c++/99472] New: [modules] std=c++2b flag appears incompatible with C++20 module code wjwray at gmail dot com
2021-03-08 19:43 ` [Bug c++/99472] " mpolacek at gcc dot gnu.org
2021-03-08 19:44 ` nathan at gcc dot gnu.org
2021-03-09 13:11 ` cvs-commit at gcc dot gnu.org
2021-03-09 13:12 ` nathan at gcc dot gnu.org
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).