[Bug libgcc/101075] libatomic's libat_lock_n can deadlock from inconsistent locking order

[rprichard at google dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101075

Ryan Prichard <rprichard at google dot com> changed:

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  Attachment #51019|0                           |1
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--- Comment #1 from Ryan Prichard <rprichard at google dot com> ---
Created attachment 51020
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51020&action=edit
deadlock-gcc-libatomic.c

Simplify the test program's buffer allocation a bit.