From a7f609504c92c9912b61025ae26a5404d3ee4311 Mon Sep 17 00:00:00 2001
From: Camille GILLOT <gillot.camille@gmail.com>
Date: Fri, 1 Nov 2024 17:42:14 +0000
Subject: [PATCH] Skip late-bound lifetimes when crossing an AnonConst.

---
 .../src/collect/resolve_bound_vars.rs              | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs b/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs
index 6fd0535a28b01..dc3ef9952f05a 100644
--- a/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs
+++ b/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs
@@ -573,11 +573,17 @@ impl<'a, 'tcx> Visitor<'tcx> for BoundVarContext<'a, 'tcx> {
             // give, we will reverse the IndexMap after early captures.
             let mut late_depth = 0;
             let mut scope = self.scope;
+            let mut crossed_late_boundary = None;
             let mut opaque_capture_scopes = vec![(opaque.def_id, &captures)];
             loop {
                 match *scope {
                     Scope::Binder { ref bound_vars, scope_type, s, .. } => {
                         for (&original_lifetime, &def) in bound_vars.iter().rev() {
+                            if let ResolvedArg::LateBound(..) = def
+                                && crossed_late_boundary.is_some()
+                            {
+                                continue;
+                            }
                             if let DefKind::LifetimeParam = self.tcx.def_kind(original_lifetime) {
                                 let def = def.shifted(late_depth);
                                 let ident = lifetime_ident(original_lifetime);
@@ -618,8 +624,12 @@ impl<'a, 'tcx> Visitor<'tcx> for BoundVarContext<'a, 'tcx> {
 
                     Scope::ObjectLifetimeDefault { s, .. }
                     | Scope::Supertrait { s, .. }
-                    | Scope::TraitRefBoundary { s, .. }
-                    | Scope::LateBoundary { s, .. } => {
+                    | Scope::TraitRefBoundary { s, .. } => {
+                        scope = s;
+                    }
+
+                    Scope::LateBoundary { s, what, .. } => {
+                        crossed_late_boundary = Some(what);
                         scope = s;
                     }
                 }