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From: "rodgertq at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug libstdc++/100806] deadlock in std::counting_semaphore
Date: Fri, 28 May 2021 18:08:16 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100806

Thomas Rodgers <rodgertq at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2021-05-28
           Assignee|unassigned at gcc dot gnu.org      |rodgertq at gcc dot=
 gnu.org
             Status|UNCONFIRMED                 |ASSIGNED
     Ever confirmed|0                           |1

--- Comment #1 from Thomas Rodgers <rodgertq at gcc dot gnu.org> ---
This is almost certainly a duplicate of
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100334

Which is fixed on master with a backport to releases/gcc-11 but was broken =
in
GCC 11.1

Will confirm, thanks!=