[Bug c/91815] questionable error on type definition at file scope

[joseph at codesourcery dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91815

--- Comment #5 from joseph at codesourcery dot com <joseph at codesourcery dot 
com> ---
Either gcc.dg or gcc.c-torture/compile would be fine for this test.