Patch v2 fixes the bug in the slow path for swap, and improves the
test so that it fails with the old buggy code.
commit 44214429d428f4fe5a148c7636b844600a10f9a4
Author: Jonathan Wakely
Date: Thu Nov 28 13:59:09 2024
libstdc++: Make std::basic_stacktrace swappable with unequal allocators
On Thu, 28 Nov 2024 at 18:59, Jonathan Wakely wrote:
>
> The standard says that it's undefined to swap two containers if the
> allocators are not equal and do not propagate. This ensures that swap is
> always O(1) and non-throwing, but has other undesirable consequences
> such as LWG 2152. The 201
The standard says that it's undefined to swap two containers if the
allocators are not equal and do not propagate. This ensures that swap is
always O(1) and non-throwing, but has other undesirable consequences
such as LWG 2152. The 2016 paper P0178 ("Allocators and swap") proposed
making the non-me
