[gcc(refs/users/mikael/heads/pr121185_v01)] Daily bump.

https://gcc.gnu.org/g:9818615943d27575f845f3533b4bd1316e1b8097 commit 9818615943d27575f845f3533b4bd1316e1b8097 Author: GCC Administrator Date: Thu Jul 17 00:18:50 2025 + Daily bump. Diff: --- contrib/ChangeLog | 4 + gcc/ChangeLog | 239 +

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Fix constraint for custom integer types in mdspan [PR121061]

https://gcc.gnu.org/g:56527da5b3f41ae6e92d60f757ef1ca44bc8b63c commit 56527da5b3f41ae6e92d60f757ef1ca44bc8b63c Author: Luc Grosheintz Date: Wed Jul 16 15:45:44 2025 +0200 libstdc++: Fix constraint for custom integer types in mdspan [PR121061] PR121061 consists of two bugs for mdsp

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Optimize _Utf_iterator for size

https://gcc.gnu.org/g:90b0e4558379aa80143a3f6c75ca96e73837e7b7 commit 90b0e4558379aa80143a3f6c75ca96e73837e7b7 Author: Jonathan Wakely Date: Thu Jul 17 00:11:49 2025 +0100 libstdc++: Optimize _Utf_iterator for size This reorders the data members of _Utf_iterator to avoid padding b

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Implement reverse iteration for _Utf_view

https://gcc.gnu.org/g:5061e7203b22dab504868c7c5f6b53cd29f3f45d commit 5061e7203b22dab504868c7c5f6b53cd29f3f45d Author: Jonathan Wakely Date: Mon Jul 14 20:15:12 2025 +0100 libstdc++: Implement reverse iteration for _Utf_view This implements the missing functions in _Utf_iterator t

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Add comments to __unicode::_Utf_iterator

https://gcc.gnu.org/g:be0223bc1c2ce1611cd0a05b52eab48f98b05a0a commit be0223bc1c2ce1611cd0a05b52eab48f98b05a0a Author: Jonathan Wakely Date: Tue Jul 15 10:18:11 2025 +0100 libstdc++: Add comments to __unicode::_Utf_iterator Add comments documenting what it does and how it does it.

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Add std::inplace_vector for C++26 (P0843R14) [PR119137]

https://gcc.gnu.org/g:2da2e5ca632ab80a032729f7ac5cbd819423e3f7 commit 2da2e5ca632ab80a032729f7ac5cbd819423e3f7 Author: Jonathan Wakely Date: Thu Jun 5 12:05:19 2025 +0100 libstdc++: Add std::inplace_vector for C++26 (P0843R14) [PR119137] Implement std::inplace_vector as specified

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Only define __any_input_iterator for C++20

https://gcc.gnu.org/g:ff6407d4e9f8f4d11b38d71737a732f669d38afd commit ff6407d4e9f8f4d11b38d71737a732f669d38afd Author: Jonathan Wakely Date: Sat Jul 19 00:08:26 2025 +0100 libstdc++: Only define __any_input_iterator for C++20 Currently this new concept will get defined for -std=c+

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Qualify addressof calls in inplace_vector [PR119137]

https://gcc.gnu.org/g:9ed7762230022c54de98062855433dff47ce9521 commit 9ed7762230022c54de98062855433dff47ce9521 Author: Tomasz Kamiński Date: Fri Jul 18 15:32:04 2025 +0200 libstdc++: Qualify addressof calls in inplace_vector [PR119137] PR libstdc++/119137 libstdc+

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Remove Paolo from list of people to contact about contributing

https://gcc.gnu.org/g:2f6b2d9ccd000f31335d024c7e04082bcfc26fee commit 2f6b2d9ccd000f31335d024c7e04082bcfc26fee Author: Jonathan Wakely Date: Fri Jul 18 17:44:45 2025 +0100 libstdc++: Remove Paolo from list of people to contact about contributing Paolo has not been active for some

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Document new generated header

https://gcc.gnu.org/g:3d5293ebff9b7c1ce2f0ea0a12ab44941065c6d5 commit 3d5293ebff9b7c1ce2f0ea0a12ab44941065c6d5 Author: Jonathan Wakely Date: Fri Jul 18 17:43:08 2025 +0100 libstdc++: Document new generated header libstdc++-v3/ChangeLog: * doc/xml/manual/build_hack

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Export std::dextents from std.cc.in [PR121174]

https://gcc.gnu.org/g:28cb7190b5d01e353b5b29a782a2f9435086a7d5 commit 28cb7190b5d01e353b5b29a782a2f9435086a7d5 Author: Jakub Jelinek Date: Sun Jul 20 08:12:57 2025 +0200 libstdc++: Export std::dextents from std.cc.in [PR121174] r16-442 implemented both std::extents and std::dexten

[gcc(refs/users/mikael/heads/pr121185_v01)] Daily bump.

https://gcc.gnu.org/g:f63ce80b227659355651b3d39362081ee18ba09e commit f63ce80b227659355651b3d39362081ee18ba09e Author: GCC Administrator Date: Mon Jul 21 00:16:28 2025 + Daily bump. Diff: --- gcc/ChangeLog | 5 + gcc/DATESTAMP | 2 +- gcc/testsuite/ChangeLog

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Format %a/%A/%b/%h/%B/%p without using locale::classic [PR110739]

https://gcc.gnu.org/g:d3f9782b9efcdd500b3b4560811aca4e1e38d3ea commit d3f9782b9efcdd500b3b4560811aca4e1e38d3ea Author: Tomasz Kamiński Date: Fri Jun 27 15:04:19 2025 +0200 libstdc++: Format %a/%A/%b/%h/%B/%p without using locale::classic [PR110739] With changes r16-2063-g8ad5968a8

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Ensure std::make_unsigned works for 128-bit enum

https://gcc.gnu.org/g:3f82cfc2feac2edcea0052c7541f48f3ee43854e commit 3f82cfc2feac2edcea0052c7541f48f3ee43854e Author: Jonathan Wakely Date: Sun Jul 13 15:05:52 2025 +0100 libstdc++: Ensure std::make_unsigned works for 128-bit enum Another follow-up to r16-2190-g4faa42ac0dee2c, en

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Make all experimental::observer_ptr functions constexpr

https://gcc.gnu.org/g:ff59e102494c6a6d30663798b691d118acd449fd commit ff59e102494c6a6d30663798b691d118acd449fd Author: Jonathan Wakely Date: Mon Jul 14 11:11:28 2025 +0100 libstdc++: Make all experimental::observer_ptr functions constexpr I've just created LWG 4295 proposing this

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Ensure that ranges::destroy destroys in constexpr [PR121024]

https://gcc.gnu.org/g:e758dfcae4c78dfb8f809fbc898ac72f0fe08743 commit e758dfcae4c78dfb8f809fbc898ac72f0fe08743 Author: Jonathan Wakely Date: Thu Jul 10 14:12:44 2025 +0100 libstdc++: Ensure that ranges::destroy destroys in constexpr [PR121024] The new test is currently marked as X

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Ensure std::hash<__int128> is defined [PR96710]

https://gcc.gnu.org/g:43f8e460b5b9b32d45b6bd3e6f1174e3e9ffed85 commit 43f8e460b5b9b32d45b6bd3e6f1174e3e9ffed85 Author: Jonathan Wakely Date: Fri May 16 13:33:23 2025 +0100 libstdc++: Ensure std::hash<__int128> is defined [PR96710] This is a follow-up to r16-2190-g4faa42ac0dee2c wh

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Implement std::chrono::current_zone() for Windows [PR108409]

https://gcc.gnu.org/g:524eff4f6c8468289a8f740054a1a030100da360 commit 524eff4f6c8468289a8f740054a1a030100da360 Author: Björn Schäpers Date: Thu Jul 10 09:48:19 2025 +0200 libstdc++: Implement std::chrono::current_zone() for Windows [PR108409] On Windows there is no API to get the

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Search for tzdata on Windows (msys)

https://gcc.gnu.org/g:b6f8e51c45bbc9c76706ee22daf965faa8207b4c commit b6f8e51c45bbc9c76706ee22daf965faa8207b4c Author: Björn Schäpers Date: Tue Jul 8 00:43:34 2025 +0200 libstdc++: Search for tzdata on Windows (msys) Windows does not provide a tzdata.zi, but msys does. Use this, i

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Tweak dg-error patterns for C++26 constexpr changes

https://gcc.gnu.org/g:884407741a9e839acf7c72136e6c66c32a20b6c0 commit 884407741a9e839acf7c72136e6c66c32a20b6c0 Author: Jonathan Wakely Date: Fri Jul 11 23:49:05 2025 +0100 libstdc++: Tweak dg-error patterns for C++26 constexpr changes libstdc++-v3/ChangeLog: * tes

[gcc(refs/users/mikael/heads/pr121185_v01)] Daily bump.

https://gcc.gnu.org/g:32ecc465a31743b34114fd4353fdaeadb9918166 commit 32ecc465a31743b34114fd4353fdaeadb9918166 Author: GCC Administrator Date: Wed Jul 16 00:18:49 2025 + Daily bump. Diff: --- gcc/ChangeLog | 251 + gcc/DATESTAM

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Add missing initializers for __maybe_present_t members [PR119962]

https://gcc.gnu.org/g:fe8d291a7bdb8f182ff4925954f1a39e6cf1c3b4 commit fe8d291a7bdb8f182ff4925954f1a39e6cf1c3b4 Author: Patrick Palka Date: Tue Jul 15 15:17:23 2025 -0400 libstdc++: Add missing initializers for __maybe_present_t members [PR119962] Data members of type __maybe_prese

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Make ranges::advance(it, n, bound) follow standard more strictly

https://gcc.gnu.org/g:c28084bf02205eafceecbfc9cde160d2d36b2ad8 commit c28084bf02205eafceecbfc9cde160d2d36b2ad8 Author: Jonathan Wakely Date: Mon Jul 14 11:21:24 2025 +0100 libstdc++: Make ranges::advance(it, n, bound) follow standard more strictly The standard specifies some of th

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Constrain std::swap using concepts in C++20

https://gcc.gnu.org/g:3ae0bb7866755ef7e961b5ff03975a3387170db0 commit 3ae0bb7866755ef7e961b5ff03975a3387170db0 Author: Jonathan Wakely Date: Mon Jul 14 11:13:54 2025 +0100 libstdc++: Constrain std::swap using concepts in C++20 This is a minor compile-time optimization for C++20.

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Do not define __cpp_lib_constexpr_exceptions [PR121114]

https://gcc.gnu.org/g:0f4971b0417a249fa27a6a103f6ea1fb08dc7477 commit 0f4971b0417a249fa27a6a103f6ea1fb08dc7477 Author: Tomasz Kamiński Date: Wed Jul 16 10:49:48 2025 +0200 libstdc++: Do not define __cpp_lib_constexpr_exceptions [PR121114] Do not advertise library support for const

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Use basic_string_view for std::bitset deduced types

https://gcc.gnu.org/g:b5d4548a396fb92d01e436d062ef1ac29deed457 commit b5d4548a396fb92d01e436d062ef1ac29deed457 Author: Jonathan Wakely Date: Sat Jul 12 13:12:09 2025 +0100 libstdc++: Use basic_string_view for std::bitset deduced types This change was part of by P2697R1 (Interfacin

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Search for tzdata on Windows (msys)

https://gcc.gnu.org/g:3c149fe252baef711b7628892500039d99e8278f commit 3c149fe252baef711b7628892500039d99e8278f Author: Björn Schäpers Date: Tue Jul 8 00:43:34 2025 +0200 libstdc++: Search for tzdata on Windows (msys) Windows does not provide a tzdata.zi, but msys does. Use this, i

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Implement std::chrono::current_zone() for Windows [PR108409]

https://gcc.gnu.org/g:550a0421d5fcdebf9363623e4f6e67908331c639 commit 550a0421d5fcdebf9363623e4f6e67908331c639 Author: Björn Schäpers Date: Thu Jul 10 09:48:19 2025 +0200 libstdc++: Implement std::chrono::current_zone() for Windows [PR108409] On Windows there is no API to get the

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Add missing initializers for __maybe_present_t members [PR119962]

https://gcc.gnu.org/g:1d2d1e0238f8e338da6ade4b189ac4c383875fb4 commit 1d2d1e0238f8e338da6ade4b189ac4c383875fb4 Author: Patrick Palka Date: Tue Jul 15 15:17:23 2025 -0400 libstdc++: Add missing initializers for __maybe_present_t members [PR119962] Data members of type __maybe_prese

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Constrain std::swap using concepts in C++20

https://gcc.gnu.org/g:4609f721bce1c2293eb802a63fb721c915c10755 commit 4609f721bce1c2293eb802a63fb721c915c10755 Author: Jonathan Wakely Date: Mon Jul 14 11:13:54 2025 +0100 libstdc++: Constrain std::swap using concepts in C++20 This is a minor compile-time optimization for C++20.

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Use basic_string_view for std::bitset deduced types

https://gcc.gnu.org/g:4240e463ff1a5a4397337608f19c3fbb12522861 commit 4240e463ff1a5a4397337608f19c3fbb12522861 Author: Jonathan Wakely Date: Sat Jul 12 13:12:09 2025 +0100 libstdc++: Use basic_string_view for std::bitset deduced types This change was part of by P2697R1 (Interfacin

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Do not define __cpp_lib_constexpr_exceptions [PR121114]

https://gcc.gnu.org/g:88d8a2747fde9aaf0df7303318b103e40b3eca4c commit 88d8a2747fde9aaf0df7303318b103e40b3eca4c Author: Tomasz Kamiński Date: Wed Jul 16 10:49:48 2025 +0200 libstdc++: Do not define __cpp_lib_constexpr_exceptions [PR121114] Do not advertise library support for const

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Implement reverse iteration for _Utf_view

https://gcc.gnu.org/g:0f5b6a2c24e6fc02f2e115141eb6fcfc968aa0dc commit 0f5b6a2c24e6fc02f2e115141eb6fcfc968aa0dc Author: Jonathan Wakely Date: Mon Jul 14 20:15:12 2025 +0100 libstdc++: Implement reverse iteration for _Utf_view This implements the missing functions in _Utf_iterator t

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Optimize _Utf_iterator for size

https://gcc.gnu.org/g:4000eb137e7951063645961b0346eeb0e4ae272b commit 4000eb137e7951063645961b0346eeb0e4ae272b Author: Jonathan Wakely Date: Thu Jul 17 00:11:49 2025 +0100 libstdc++: Optimize _Utf_iterator for size This reorders the data members of _Utf_iterator to avoid padding b

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Document new generated header

https://gcc.gnu.org/g:65733d7d6455e35e0956b91393e0a0ff9b9f1109 commit 65733d7d6455e35e0956b91393e0a0ff9b9f1109 Author: Jonathan Wakely Date: Fri Jul 18 17:43:08 2025 +0100 libstdc++: Document new generated header libstdc++-v3/ChangeLog: * doc/xml/manual/build_hack

[gcc(refs/users/mikael/heads/pr121185_v01)] Daily bump.

https://gcc.gnu.org/g:5319349df6e8866727f0b153aac1be1be86a1888 commit 5319349df6e8866727f0b153aac1be1be86a1888 Author: GCC Administrator Date: Thu Jul 17 00:18:50 2025 + Daily bump. Diff: --- contrib/ChangeLog | 4 + gcc/ChangeLog | 239 +

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Only define __any_input_iterator for C++20

https://gcc.gnu.org/g:7d61b5d307845929f40467b63faadd3bf756512f commit 7d61b5d307845929f40467b63faadd3bf756512f Author: Jonathan Wakely Date: Sat Jul 19 00:08:26 2025 +0100 libstdc++: Only define __any_input_iterator for C++20 Currently this new concept will get defined for -std=c+

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Fixed localized empty-spec formatting for months/weekdays [PR121154]

https://gcc.gnu.org/g:c6bf1e4dce2edcc590e6e03fa41b776b227c94fc commit c6bf1e4dce2edcc590e6e03fa41b776b227c94fc Author: Tomasz Kamiński Date: Fri Jul 18 11:30:22 2025 +0200 libstdc++: Fixed localized empty-spec formatting for months/weekdays [PR121154] Previously for localized out

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Remove Paolo from list of people to contact about contributing

https://gcc.gnu.org/g:1a1a49f946891d77abe53e12a7b73879abf8ee80 commit 1a1a49f946891d77abe53e12a7b73879abf8ee80 Author: Jonathan Wakely Date: Fri Jul 18 17:44:45 2025 +0100 libstdc++: Remove Paolo from list of people to contact about contributing Paolo has not been active for some

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Use __promote_3 for std::hypot [PR121097]

https://gcc.gnu.org/g:ca8f7552a61dd98f1cfb67db2cb6543c4bf7d84e commit ca8f7552a61dd98f1cfb67db2cb6543c4bf7d84e Author: Jonathan Wakely Date: Tue Jul 15 21:29:33 2025 +0100 libstdc++: Use __promote_3 for std::hypot [PR121097] The __promoted_t alias is only defined when __cpp_fold_e

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Add comments to __unicode::_Utf_iterator

https://gcc.gnu.org/g:60867603ac60af394d33b138a693f852e0cbd479 commit 60867603ac60af394d33b138a693f852e0cbd479 Author: Jonathan Wakely Date: Tue Jul 15 10:18:11 2025 +0100 libstdc++: Add comments to __unicode::_Utf_iterator Add comments documenting what it does and how it does it.

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Refactor mdspan tests [PR121061]

https://gcc.gnu.org/g:a8ce550885c4508fa31a4f4d78cb6b30897f2089 commit a8ce550885c4508fa31a4f4d78cb6b30897f2089 Author: Luc Grosheintz Date: Wed Jul 16 15:45:43 2025 +0200 libstdc++: Refactor mdspan tests [PR121061] PR121061 shows that the test coverage for custom integer types is

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Tweak dg-error patterns for C++26 constexpr changes

https://gcc.gnu.org/g:25cbf5b23e507d19822ff0ac283f946b6b169732 commit 25cbf5b23e507d19822ff0ac283f946b6b169732 Author: Jonathan Wakely Date: Fri Jul 11 23:49:05 2025 +0100 libstdc++: Tweak dg-error patterns for C++26 constexpr changes libstdc++-v3/ChangeLog: * tes

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Format %a/%A/%b/%h/%B/%p without using locale::classic [PR110739]

https://gcc.gnu.org/g:0107017b5248f8b72ac28edff337d896c8b998e7 commit 0107017b5248f8b72ac28edff337d896c8b998e7 Author: Tomasz Kamiński Date: Fri Jun 27 15:04:19 2025 +0200 libstdc++: Format %a/%A/%b/%h/%B/%p without using locale::classic [PR110739] With changes r16-2063-g8ad5968a8

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Make all experimental::observer_ptr functions constexpr

https://gcc.gnu.org/g:d11921566ae567c7693b1f8fb4b20304ca7f373a commit d11921566ae567c7693b1f8fb4b20304ca7f373a Author: Jonathan Wakely Date: Mon Jul 14 11:11:28 2025 +0100 libstdc++: Make all experimental::observer_ptr functions constexpr I've just created LWG 4295 proposing this

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Ensure std::hash<__int128> is defined [PR96710]

https://gcc.gnu.org/g:673ec68a938f5d50311ec428346a49ee112baaf8 commit 673ec68a938f5d50311ec428346a49ee112baaf8 Author: Jonathan Wakely Date: Fri May 16 13:33:23 2025 +0100 libstdc++: Ensure std::hash<__int128> is defined [PR96710] This is a follow-up to r16-2190-g4faa42ac0dee2c wh

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Ensure std::make_unsigned works for 128-bit enum

https://gcc.gnu.org/g:b7c1368d34e2acc9f8bac70fb22394ba92d48556 commit b7c1368d34e2acc9f8bac70fb22394ba92d48556 Author: Jonathan Wakely Date: Sun Jul 13 15:05:52 2025 +0100 libstdc++: Ensure std::make_unsigned works for 128-bit enum Another follow-up to r16-2190-g4faa42ac0dee2c, en

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Fix constraint for custom integer types in mdspan [PR121061]

https://gcc.gnu.org/g:4ed4e78b2ee5a47ca7c6f066b587457f77b689fb commit 4ed4e78b2ee5a47ca7c6f066b587457f77b689fb Author: Luc Grosheintz Date: Wed Jul 16 15:45:44 2025 +0200 libstdc++: Fix constraint for custom integer types in mdspan [PR121061] PR121061 consists of two bugs for mdsp

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Document change in __int128 traits [PRPR96710]

https://gcc.gnu.org/g:fb3996129d4291bca6bbc9fb4e7f12638e94ccab commit fb3996129d4291bca6bbc9fb4e7f12638e94ccab Author: Jonathan Wakely Date: Thu Jul 17 12:25:17 2025 +0100 libstdc++: Document change in __int128 traits [PRPR96710] libstdc++-v3/ChangeLog: PR libstdc

[gcc(refs/users/mikael/heads/pr121185_v01)] Daily bump.

https://gcc.gnu.org/g:ed461bfa54413d908171b93d463637f6bfb7c20c commit ed461bfa54413d908171b93d463637f6bfb7c20c Author: GCC Administrator Date: Mon Jul 21 00:16:28 2025 + Daily bump. Diff: --- gcc/ChangeLog | 5 + gcc/DATESTAMP | 2 +- gcc/testsuite/ChangeLog

[gcc(refs/users/mikael/heads/pr121185_v01)] libstdc++: Fix forwarding of custom IndexType in mdspan [PR121061]

https://gcc.gnu.org/g:3f2aaff977cc6246f9ee0b4e3a50ce17a0f8097e commit 3f2aaff977cc6246f9ee0b4e3a50ce17a0f8097e Author: Luc Grosheintz Date: Wed Jul 16 15:45:45 2025 +0200 libstdc++: Fix forwarding of custom IndexType in mdspan [PR121061] The second bug report in PR121061 is that t