[Bug c++/71147] [6 REGRESSION] Flexible array member wrongly rejected in template

[avi@cloudius-systems.com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71147

Avi Kivity <avi@cloudius-systems.com> changed:

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  Attachment #38497|0                           |1
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--- Comment #1 from Avi Kivity <avi@cloudius-systems.com> ---
Created attachment 38498
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38498&action=edit
Slightly simpler reproducer (no std::atomic)