[Bug target/88352] x86 mingw returning struct with just double in ST0 instead of edx:eax

[jay.krell at cornell dot edu]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88352

--- Comment #2 from Jay <jay.krell at cornell dot edu> ---
The linked bug was amd64. This is x86.
I'm not sure they are the same. Maybe.