1 use rustc_errors::struct_span_err;
2 use rustc_middle::ty::TyCtxt;
3 use rustc_span::symbol::sym;
5 pub fn test_inferred_outlives(tcx: TyCtxt<'_>) {
6 for id in tcx.hir().items() {
7 // For unit testing: check for a special "rustc_outlives"
8 // attribute and report an error with various results if found.
9 if tcx.has_attr(id.def_id.to_def_id(), sym::rustc_outlives) {
10 let inferred_outlives_of = tcx.inferred_outlives_of(id.def_id);
13 tcx.def_span(id.def_id),