https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125890
Bug ID: 125890
Summary: allocator_traits<polymorphic_allocator> doesn't
provide allocate_at_least in 16.1
Product: gcc
Version: 16.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: rs2740 at gmail dot com
Target Milestone: ---
#include <memory>
#include <memory_resource>
#ifndef __cpp_lib_allocate_at_least
#error unexpected
#endif
void f() {
std::pmr::polymorphic_allocator<> a;
std::allocator_traits<std::pmr::polymorphic_allocator<>>::allocate_at_least(a,
10);
}
with -std=c++23 (or 26):
<source>: In function 'void f()':
<source>:10:63: error: 'allocate_at_least' is not a member of
'std::allocator_traits<std::pmr::polymorphic_allocator<> >'
10 |
std::allocator_traits<std::pmr::polymorphic_allocator<>>::allocate_at_least(a,
10);
|
^~~~~~~~~~~~~~~~~
This has been fixed on trunk as part of
r17-603-gacfdad706d8acca6c4ed6ef3b63c2e02f1c47881.
Can the fix be backported to 16.2?
