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| author | Patrick Palka <ppalka@redhat.com> | 2020-10-08 18:10:05 -0400 |
|---|---|---|
| committer | Patrick Palka <ppalka@redhat.com> | 2020-10-08 18:10:05 -0400 |
| commit | 9158a4d2a6cd58d6bb591d5ce64e766b399e4aef (patch) | |
| tree | 656f664ff2891cf51daf7ec0db1d1b5287a139bd /config.rpath | |
| parent | 1c56c143b2011080d8a4516f37f78f647b0ee258 (diff) | |
| download | gcc-9158a4d2a6cd58d6bb591d5ce64e766b399e4aef.zip gcc-9158a4d2a6cd58d6bb591d5ce64e766b399e4aef.tar.gz gcc-9158a4d2a6cd58d6bb591d5ce64e766b399e4aef.tar.bz2 | |
libstdc++: Make ranges::construct_at constexpr-friendly [PR95788]
This rewrites ranges::construct_at in terms of std::construct_at so
that we can piggyback on the compiler's existing support for
intercepting placement new within std::construct_at during constexpr
evaluation, instead of having to additionally teach the compiler about
ranges::construct_at.
While we're making changes to ranges::construct_at, this patch also
declares it conditionally noexcept and qualifies the calls to declval in
its requires-clause.
libstdc++-v3/ChangeLog:
PR libstdc++/95788
* include/bits/ranges_uninitialized.h:
(__construct_at_fn::operator()): Rewrite in terms of
std::construct_at. Declare it conditionally noexcept. Qualify
calls to declval in its requires-clause.
* testsuite/20_util/specialized_algorithms/construct_at/95788.cc:
New test.
Diffstat (limited to 'config.rpath')
0 files changed, 0 insertions, 0 deletions