[Bug target/90513] asm thunks do not work on PowerPC64/VxWorks (kernel mode)

[ebotcazou at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90513

--- Comment #14 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> thunk required to adjust the this pointer (in c++ cases)

Yes, but just use a regular thunk.