[Bug middle-end/99668] Converting argument _Complex double to double vector causes STLF stall

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99668

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Yeah, I would have expected that we already canoncalize that to a
VIEW_CONVERT_EXPR.  This is indeed about "ABI" SRA.  I unfortunately never got
to review that again, I think it's still in a state that we do not want though.