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Add an optional Span to BrAnon and use it to print better error for HRTB error from generator interior

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This commit is contained in:
Jack Huey
2022-10-17 22:08:15 -04:00
parent 1e1e5b8d98
commit 00e314d5ed
23 changed files with 251 additions and 63 deletions
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6
compiler/rustc_middle/src/infer/canonical.rs
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@@ -336,8 +336,10 @@ impl<'tcx> CanonicalVarValues<'tcx> {
tcx.mk_ty(ty::Bound(ty::INNERMOST, ty::BoundVar::from_u32(i).into())).into()
}
GenericArgKind::Lifetime(..) => {
let br =
ty::BoundRegion { var: ty::BoundVar::from_u32(i), kind: ty::BrAnon(i) };
let br = ty::BoundRegion {
var: ty::BoundVar::from_u32(i),
kind: ty::BrAnon(i, None),
};
tcx.mk_region(ty::ReLateBound(ty::INNERMOST, br)).into()
}
GenericArgKind::Const(ct) => tcx