[Bug sanitizer/101476] AddressSanitizer check failed, points out a (potentially) non-existing stack error

[stsp at users dot sourceforge.net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101476

--- Comment #3 from Stas Sergeev <stsp at users dot sourceforge.net> ---
Why does it check for a redzone
on a non-leaf function? GetAltStackSize()
calls to a glibc's getconf and that
overwrites a canary.
Maybe it shouldn't use/check the redzone
on a non-leaf function?