https://gcc.gnu.org/g:4d24612a2e453aa4755821a4d168bbc338a20036
commit r16-2153-g4d24612a2e453aa4755821a4d168bbc338a20036
Author: Jonathan Wakely <jwak...@redhat.com>
Date: Tue Jul 8 22:04:29 2025 +0100
libstdc++: Add more template keywords to <mdspan> for Clang
This fixes:
include/c++/16.0.0/mdspan:1182:33: error: use 'template' keyword to treat
'mapping' as a dependent template name
1182 | const typename _OLayout::mapping<_OExtents>&>
| ^
include/c++/16.0.0/mdspan:1185:31: error: use 'template' keyword to treat
'mapping' as a dependent template name
1185 | const typename _OLayout::mapping<_OExtents>&,
mapping_type>
| ^
libstdc++-v3/ChangeLog:
* include/std/mdspan (mdspan): Add template keyword for
dependent name.
Diff:
---
libstdc++-v3/include/std/mdspan | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libstdc++-v3/include/std/mdspan b/libstdc++-v3/include/std/mdspan
index 5d16de5d9072..b34116a85e67 100644
--- a/libstdc++-v3/include/std/mdspan
+++ b/libstdc++-v3/include/std/mdspan
@@ -1179,10 +1179,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
template<typename _OElementType, typename _OExtents, typename _OLayout,
typename _OAccessor>
requires is_constructible_v<mapping_type,
- const typename _OLayout::mapping<_OExtents>&>
+ const typename _OLayout::template mapping<_OExtents>&>
&& is_constructible_v<accessor_type, const _OAccessor&>
constexpr explicit(!is_convertible_v<
- const typename _OLayout::mapping<_OExtents>&, mapping_type>
+ const typename _OLayout::template mapping<_OExtents>&, mapping_type>
|| !is_convertible_v<const _OAccessor&, accessor_type>)
mdspan(const mdspan<_OElementType, _OExtents, _OLayout, _OAccessor>&
__other)
