[Bug target/64384] mingw-w64: stdcall function returning an aggregate is incompatible with MS ABI

[ktietz at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64384

Kai Tietz <ktietz at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |ktietz at gcc dot gnu.org

--- Comment #2 from Kai Tietz <ktietz at gcc dot gnu.org> ---
The attribute 'callee_pop_aggregate_return' should fix this issue for you.
This is a general difference between sysv and ms ABIs.  It has in general
nothing to do with the stdcall-attribute.