[Bug target/91886] [10 regression] powerpc64 impossible constraint in asm

[bugdal at aerifal dot cx]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91886

--- Comment #18 from Rich Felker <bugdal at aerifal dot cx> ---
> So use "wa" instead of "ws" in the two files you use it, and can we get
> on with our lives?

Translation: Introduce a regression on all existing versions of clang because
GCC broke a documented public interface. How about no?

> The places where in the past we put old internal constraints (and output
> modifiers) back are places where for example glibc used it in installed
> headers.  That takes a decade or more to fix.

These are not old internal constraints. They're publicly documented ones.