[Issue 20933] druntime: core.thread doesn't support shadow stack

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20933

Iain Buclaw <ibuclaw at gdcproject.org> changed:

           What    |Removed                     |Added
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         Depends on|                            |24043


Referenced Issues:

https://issues.dlang.org/show_bug.cgi?id=24043
[Issue 24043] DMD does not emit IBT/BTI instructions
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