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From: "redi at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/94087] std::random_device often fails when used from
 multiple threads
Date: Thu, 14 May 2020 10:44:21 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D94087

--- Comment #12 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to wnereiz from comment #9)
> This issue seems not limit to a certain GCC version. I tried the code with
> gcc7, gcc9 and gcc10 on openSUSE Tumbleweed. All failed.

As Richard said, the code to use rdseed was added for GCC 10, so there is no
way you're seeing the same problem on earlier releases.=