[Bug libstdc++/114103] FAIL: 29_atomics/atomic/lock_free_aliases.cc -std=gnu++20 (test for excess errors)

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114103

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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  Attachment #57540|0                           |1
        is obsolete|                            |

--- Comment #14 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Created attachment 57591
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57591&action=edit
Do not define lock-free atomic aliases if not fully lock-free

Here's all of that as a single (slightly cleaned up) patch.