X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=compiler%2Frustc_resolve%2Fsrc%2Flate.rs;h=5b7a00101e9b75b53cd635ec29c1d90da6a9a5be;hb=24e584b991c3ab3297e114f36f0b45aa6df21d63;hp=cf3e5946053fe514f5b9195784e93e37d63e053f;hpb=95da525982abf0bdf6304596b3b91f50dcc7154a;p=rust.git

diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs
index cf3e5946053..5b7a00101e9 100644
--- a/compiler/rustc_resolve/src/late.rs
+++ b/compiler/rustc_resolve/src/late.rs
@@ -566,6 +566,9 @@ struct LateResolutionVisitor<'a, 'b, 'ast> {
     /// FIXME #4948: Reuse ribs to avoid allocation.
     ribs: PerNS<Vec<Rib<'a>>>,
 
+    /// Previous poped `rib`, only used for diagnostic.
+    last_block_rib: Option<Rib<'a>>,
+
     /// The current set of local scopes, for labels.
     label_ribs: Vec<Rib<'a, NodeId>>,
 
@@ -873,6 +876,8 @@ fn visit_fn(&mut self, fn_kind: FnKind<'ast>, sp: Span, fn_id: NodeId) {
                             // Ignore errors in function bodies if this is rustdoc
                             // Be sure not to set this until the function signature has been resolved.
                             let previous_state = replace(&mut this.in_func_body, true);
+                            // We only care block in the same function
+                            this.last_block_rib = None;
                             // Resolve the function body, potentially inside the body of an async closure
                             this.with_lifetime_rib(
                                 LifetimeRibKind::Elided(LifetimeRes::Infer),
@@ -1168,6 +1173,7 @@ fn new(resolver: &'b mut Resolver<'a>) -> LateResolutionVisitor<'a, 'b, 'ast> {
                 type_ns: vec![Rib::new(start_rib_kind)],
                 macro_ns: vec![Rib::new(start_rib_kind)],
             },
+            last_block_rib: None,
             label_ribs: Vec::new(),
             lifetime_ribs: Vec::new(),
             lifetime_elision_candidates: None,
@@ -3769,7 +3775,7 @@ fn resolve_block(&mut self, block: &'ast Block) {
             self.ribs[ValueNS].pop();
             self.label_ribs.pop();
         }
-        self.ribs[ValueNS].pop();
+        self.last_block_rib = self.ribs[ValueNS].pop();
         if anonymous_module.is_some() {
             self.ribs[TypeNS].pop();
         }