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* [gcc r12-1536] libstdc++: Use named struct for __decay_copy
@ 2021-06-16 13:31 Jonathan Wakely
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From: Jonathan Wakely @ 2021-06-16 13:31 UTC (permalink / raw)
To: gcc-cvs, libstdc++-cvs
https://gcc.gnu.org/g:c25e3bf87975280a603ff18fba387c6707ce4a95
commit r12-1536-gc25e3bf87975280a603ff18fba387c6707ce4a95
Author: Jonathan Wakely <jwakely@redhat.com>
Date: Wed Jun 16 12:47:32 2021 +0100
libstdc++: Use named struct for __decay_copy
In r12-1486-gcb326a6442f09cb36b05ce556fc91e10bfeb0cf6 I changed
__decay_copy to be a function object of unnamed class type. This causes
problems when importing the library headers:
error: conflicting global module declaration 'constexpr const std::ranges::__cust_access::<unnamed struct> std::ranges::__cust_access::__decay_copy'
The fix is to use a named struct instead of an anonymous one.
Signed-off-by: Jonathan Wakely <jwakely@redhat.com>
libstdc++-v3/ChangeLog:
* include/bits/iterator_concepts.h (__decay_copy): Name type.
Diff:
---
libstdc++-v3/include/bits/iterator_concepts.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libstdc++-v3/include/bits/iterator_concepts.h b/libstdc++-v3/include/bits/iterator_concepts.h
index d18ae32bf20..11748e5ed7b 100644
--- a/libstdc++-v3/include/bits/iterator_concepts.h
+++ b/libstdc++-v3/include/bits/iterator_concepts.h
@@ -930,7 +930,8 @@ namespace ranges
{
using std::__detail::__class_or_enum;
- struct {
+ struct _Decay_copy final
+ {
template<typename _Tp>
constexpr decay_t<_Tp>
operator()(_Tp&& __t) const
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