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