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// Regression test for issue #67007
// Ensures that we show information about the specific regions involved
// Covariant over 'a, invariant over 'tcx
struct FnCtxt<'a, 'tcx: 'a>(&'a (), *mut &'tcx ());
impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
fn use_it(&self, _: &'tcx ()) {}
}
struct Consumer<'tcx>(&'tcx ());
impl<'tcx> Consumer<'tcx> {
fn bad_method<'a>(&self, fcx: &FnCtxt<'a, 'tcx>) {
let other = self.use_fcx(fcx); //~ ERROR lifetime may not live long enough
fcx.use_it(other);
}
fn use_fcx<'a>(&self, _: &FnCtxt<'a, 'tcx>) -> &'a () {
&()
}
}
fn main() {}
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