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Re: PATCH: Add x32 to x86_64/bits/sigcontext.h
> I briefly looked for recentish compilers that lack anonymous unions
> and found one, mikroC.
That appears to be a compiler with no x86_64 target.
> I then stopped looking. I don't know if anybody uses mikroC
> with glibc. It does seem a bit odd to put a C11 feature in a
> public header.
I consider it a gnu89 feature, and by now it's got tenure.
(It was in common use a decade before x86_64 existed.)
> I suppose you can count this email as a mild
> objection with a so-so rationale....
A rationale based solely on mikroC does not even rise to the level of so-so.