[Bug libstdc++/98319] New: LFTS headers give errors if included as C++11 or C++98

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* [Bug libstdc++/98319] New: LFTS headers give errors if included as C++11 or C++98
@ 2020-12-16 12:25 redi at gcc dot gnu.org
  2020-12-16 12:25 ` [Bug libstdc++/98319] " redi at gcc dot gnu.org
                   ` (8 more replies)
  0 siblings, 9 replies; 10+ messages in thread
From: redi at gcc dot gnu.org @ 2020-12-16 12:25 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98319

            Bug ID: 98319
           Summary: LFTS headers give errors if included as C++11 or C++98
           Product: gcc
           Version: 10.2.1
            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: ---

For example:

/home/jwakely/gcc/11/include/c++/11.0.0/experimental/source_location: In static
member function ‘static constexpr
std::experimental::fundamentals_v2::source_location
std::experimental::fundamentals_v2::source_location::current(const char*, const
char*, int, int)’:
/home/jwakely/gcc/11/include/c++/11.0.0/experimental/source_location:63:5:
error: body of ‘constexpr’ function ‘static constexpr
std::experimental::fundamentals_v2::source_location
std::experimental::fundamentals_v2::source_location::current(const char*, const
char*, int, int)’ not a return-statement

It should be possible to include them and then test the feature test macro to
see if they are usable.

^ permalink raw reply	[flat|nested] 10+ messages in thread

* [Bug libstdc++/98319] LFTS headers give errors if included as C++11 or C++98
  2020-12-16 12:25 [Bug libstdc++/98319] New: LFTS headers give errors if included as C++11 or C++98 redi at gcc dot gnu.org
@ 2020-12-16 12:25 ` redi at gcc dot gnu.org
  2020-12-16 13:37 ` cvs-commit at gcc dot gnu.org
                   ` (7 subsequent siblings)
  8 siblings, 0 replies; 10+ messages in thread
From: redi at gcc dot gnu.org @ 2020-12-16 12:25 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98319

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2020-12-16
           Assignee|unassigned at gcc dot gnu.org      |redi at gcc dot gnu.org
     Ever confirmed|0                           |1

^ permalink raw reply	[flat|nested] 10+ messages in thread

* [Bug libstdc++/98319] LFTS headers give errors if included as C++11 or C++98
  2020-12-16 12:25 [Bug libstdc++/98319] New: LFTS headers give errors if included as C++11 or C++98 redi at gcc dot gnu.org
  2020-12-16 12:25 ` [Bug libstdc++/98319] " redi at gcc dot gnu.org
@ 2020-12-16 13:37 ` cvs-commit at gcc dot gnu.org
  2020-12-16 13:55 ` redi at gcc dot gnu.org
                   ` (6 subsequent siblings)
  8 siblings, 0 replies; 10+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2020-12-16 13:37 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98319

--- 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:ab9bd93271061f436c10e35e261ecb73e2108ccc

commit r11-6139-gab9bd93271061f436c10e35e261ecb73e2108ccc
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Wed Dec 16 13:37:17 2020 +0000

    libstdc++: Fix errors from Library Fundamentals TS headers in C++11 [PR
98319]

    Currently the <experimental/random>, <experimental/source_location> and
    <experimental/utility> headers can be included in C++98 and C++11 modes,
    but gives errors. With this change they can be included, but define
    nothing.

    libstdc++-v3/ChangeLog:

            PR libstdc++/98319
            * include/experimental/random: Only define contents for C++14
            and later.
            * include/experimental/source_location: Likewise.
            * include/experimental/utility: Likewise.
            * testsuite/experimental/feat-lib-fund.cc: Include all LFTS
            headers that are present. Allow test to run for all modes.

^ permalink raw reply	[flat|nested] 10+ messages in thread

* [Bug libstdc++/98319] LFTS headers give errors if included as C++11 or C++98
  2020-12-16 12:25 [Bug libstdc++/98319] New: LFTS headers give errors if included as C++11 or C++98 redi at gcc dot gnu.org
  2020-12-16 12:25 ` [Bug libstdc++/98319] " redi at gcc dot gnu.org
  2020-12-16 13:37 ` cvs-commit at gcc dot gnu.org
@ 2020-12-16 13:55 ` redi at gcc dot gnu.org
  2021-03-29 20:02 ` cvs-commit at gcc dot gnu.org
                   ` (5 subsequent siblings)
  8 siblings, 0 replies; 10+ messages in thread
From: redi at gcc dot gnu.org @ 2020-12-16 13:55 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98319

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Fixed on trunk so far.

^ permalink raw reply	[flat|nested] 10+ messages in thread

* [Bug libstdc++/98319] LFTS headers give errors if included as C++11 or C++98
  2020-12-16 12:25 [Bug libstdc++/98319] New: LFTS headers give errors if included as C++11 or C++98 redi at gcc dot gnu.org
                   ` (2 preceding siblings ...)
  2020-12-16 13:55 ` redi at gcc dot gnu.org
@ 2021-03-29 20:02 ` cvs-commit at gcc dot gnu.org
  2021-03-29 20:04 ` redi at gcc dot gnu.org
                   ` (4 subsequent siblings)
  8 siblings, 0 replies; 10+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-03-29 20:02 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98319

--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-10 branch has been updated by Jonathan Wakely
<redi@gcc.gnu.org>:

https://gcc.gnu.org/g:564e5b6ce002608f461d4275c126d8179ef806c6

commit r10-9578-g564e5b6ce002608f461d4275c126d8179ef806c6
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Wed Dec 16 13:37:17 2020 +0000

    libstdc++: Fix errors from Library Fundamentals TS headers in C++11 [PR
98319]

    Currently the <experimental/random>, <experimental/source_location> and
    <experimental/utility> headers can be included in C++98 and C++11 modes,
    but gives errors. With this change they can be included, but define
    nothing.

    libstdc++-v3/ChangeLog:

            PR libstdc++/98319
            * include/experimental/random: Only define contents for C++14
            and later.
            * include/experimental/source_location: Likewise.
            * include/experimental/utility: Likewise.
            * testsuite/experimental/feat-lib-fund.cc: Include all LFTS
            headers that are present. Allow test to run for all modes.

    (cherry picked from commit ab9bd93271061f436c10e35e261ecb73e2108ccc)

^ permalink raw reply	[flat|nested] 10+ messages in thread

* [Bug libstdc++/98319] LFTS headers give errors if included as C++11 or C++98
  2020-12-16 12:25 [Bug libstdc++/98319] New: LFTS headers give errors if included as C++11 or C++98 redi at gcc dot gnu.org
                   ` (3 preceding siblings ...)
  2021-03-29 20:02 ` cvs-commit at gcc dot gnu.org
@ 2021-03-29 20:04 ` redi at gcc dot gnu.org
  2021-04-19  9:31 ` cvs-commit at gcc dot gnu.org
                   ` (3 subsequent siblings)
  8 siblings, 0 replies; 10+ messages in thread
From: redi at gcc dot gnu.org @ 2021-03-29 20:04 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98319

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
And for 10.3 as well.

^ permalink raw reply	[flat|nested] 10+ messages in thread

* [Bug libstdc++/98319] LFTS headers give errors if included as C++11 or C++98
  2020-12-16 12:25 [Bug libstdc++/98319] New: LFTS headers give errors if included as C++11 or C++98 redi at gcc dot gnu.org
                   ` (4 preceding siblings ...)
  2021-03-29 20:04 ` redi at gcc dot gnu.org
@ 2021-04-19  9:31 ` cvs-commit at gcc dot gnu.org
  2021-04-19  9:38 ` cvs-commit at gcc dot gnu.org
                   ` (2 subsequent siblings)
  8 siblings, 0 replies; 10+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-04-19  9:31 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98319

--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-9 branch has been updated by Jonathan Wakely
<redi@gcc.gnu.org>:

https://gcc.gnu.org/g:9736d20a85a20339417e1aafeae4d9a0a73c52ae

commit r9-9359-g9736d20a85a20339417e1aafeae4d9a0a73c52ae
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Wed Dec 16 13:37:17 2020 +0000

    libstdc++: Fix errors from Library Fundamentals TS headers in C++11 [PR
98319]

    Currently the <experimental/random>, <experimental/source_location> and
    <experimental/utility> headers can be included in C++98 and C++11 modes,
    but gives errors. With this change they can be included, but define
    nothing.

    libstdc++-v3/ChangeLog:

            PR libstdc++/98319
            * include/experimental/memory_resource: Add system_header pragma
            and only define contents for C++14 and later.
            * include/experimental/random: Only define contents for C++14
            and later.
            * include/experimental/source_location: Likewise.
            * include/experimental/utility: Likewise.
            * testsuite/experimental/feat-lib-fund.cc: Include all LFTS
            headers that are present. Allow test to run for all modes.

    (cherry picked from commit ab9bd93271061f436c10e35e261ecb73e2108ccc)

^ permalink raw reply	[flat|nested] 10+ messages in thread

* [Bug libstdc++/98319] LFTS headers give errors if included as C++11 or C++98
  2020-12-16 12:25 [Bug libstdc++/98319] New: LFTS headers give errors if included as C++11 or C++98 redi at gcc dot gnu.org
                   ` (5 preceding siblings ...)
  2021-04-19  9:31 ` cvs-commit at gcc dot gnu.org
@ 2021-04-19  9:38 ` cvs-commit at gcc dot gnu.org
  2021-04-19  9:39 ` redi at gcc dot gnu.org
  2021-09-11 14:29 ` pinskia at gcc dot gnu.org
  8 siblings, 0 replies; 10+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-04-19  9:38 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98319

--- Comment #6 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-8 branch has been updated by Jonathan Wakely
<redi@gcc.gnu.org>:

https://gcc.gnu.org/g:c79725c7b21838e89105381ceff5af05b3609d21

commit r8-10849-gc79725c7b21838e89105381ceff5af05b3609d21
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Wed Dec 16 13:37:17 2020 +0000

    libstdc++: Fix errors from Library Fundamentals TS headers in C++11 [PR
98319]

    Currently the <experimental/random>, <experimental/source_location> and
    <experimental/utility> headers can be included in C++98 and C++11 modes,
    but gives errors. With this change they can be included, but define
    nothing.

    libstdc++-v3/ChangeLog:

            PR libstdc++/98319
            * include/experimental/memory_resource: Add system_header pragma
            and only define contents for C++14 and later.
            * include/experimental/random: Only define contents for C++14
            and later.
            * include/experimental/source_location: Likewise.
            * include/experimental/utility: Likewise.
            * testsuite/experimental/feat-lib-fund.cc: Include all LFTS
            headers that are present. Allow test to run for all modes.

    (cherry picked from commit ab9bd93271061f436c10e35e261ecb73e2108ccc)

^ permalink raw reply	[flat|nested] 10+ messages in thread

* [Bug libstdc++/98319] LFTS headers give errors if included as C++11 or C++98
  2020-12-16 12:25 [Bug libstdc++/98319] New: LFTS headers give errors if included as C++11 or C++98 redi at gcc dot gnu.org
                   ` (6 preceding siblings ...)
  2021-04-19  9:38 ` cvs-commit at gcc dot gnu.org
@ 2021-04-19  9:39 ` redi at gcc dot gnu.org
  2021-09-11 14:29 ` pinskia at gcc dot gnu.org
  8 siblings, 0 replies; 10+ messages in thread
From: redi at gcc dot gnu.org @ 2021-04-19  9:39 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98319

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #7 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Fixed for 8.5 and 9.4 too.

^ permalink raw reply	[flat|nested] 10+ messages in thread

* [Bug libstdc++/98319] LFTS headers give errors if included as C++11 or C++98
  2020-12-16 12:25 [Bug libstdc++/98319] New: LFTS headers give errors if included as C++11 or C++98 redi at gcc dot gnu.org
                   ` (7 preceding siblings ...)
  2021-04-19  9:39 ` redi at gcc dot gnu.org
@ 2021-09-11 14:29 ` pinskia at gcc dot gnu.org
  8 siblings, 0 replies; 10+ messages in thread
From: pinskia at gcc dot gnu.org @ 2021-09-11 14:29 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98319

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |8.5

^ permalink raw reply	[flat|nested] 10+ messages in thread

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