https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99264

Florian Weimer <fw at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |hjl.tools at gmail dot com

--- Comment #2 from Florian Weimer <fw at gcc dot gnu.org> ---
The reason for this change in glibc 2.34 is that the size of the context
information pushed by the kernel has increased by about an order of magnitude
over the last decade.

Missing size check in sigaltstack 
https://bugzilla.kernel.org/show_bug.cgi?id=153531

x86: MINSIGSTKSZ too small for AVX-512F support 
https://sourceware.org/bugzilla/show_bug.cgi?id=20305

Small signal stacks needed to be allocated at run time, using the
kernel-supplied size plus the extra part that the application needs.

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