https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88718
--- Comment #2 from joseph at codesourcery dot com <joseph at codesourcery dot
com> ---
Note that there are also such cases as
static int x;
struct s { int a[sizeof(x)]; } inline *f (void) { return 0; }
where the reference to x is part of the return type (still syntactically
part of the inline definition, so I think still included in what should be
diagnosed). So it will be necessary to track references to identifiers
with internal linkage in such contexts which might or might not turn out
to be part of an inline definition - not just (for example) in what might
or might not be a function prototype scope for an inline function.
