Rollup merge of #100599 - MatthewPeterKelly:add-E0523-description-and-test, r=compile...

[rust.git] / compiler / rustc_hir_typeck / src / fn_ctxt / _impl.rs

diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs
index a355a54d6959abb5570144e9c40b53f2e973ce3f..e84b3de124c58070388d3b741de2630569a215ff 100644 (file)
--- a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs
+++ b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs
@@ -454,8 +454,7 @@ pub fn node_ty(&self, id: hir::HirId) -> Ty<'tcx> {
             None if let Some(e) = self.tainted_by_errors() => self.tcx.ty_error_with_guaranteed(e),
             None => {
                 bug!(
-                    "no type for node {}: {} in fcx {}",
-                    id,
+                    "no type for node {} in fcx {}",
                     self.tcx.hir().node_to_string(id),
                     self.tag()
                 );
@@ -922,6 +921,22 @@ pub(in super::super) fn get_node_fn_decl(
                 kind: hir::ImplItemKind::Fn(ref sig, ..),
                 ..
             }) => Some((&sig.decl, ident, false)),
+            Node::Expr(&hir::Expr {
+                hir_id,
+                kind: hir::ExprKind::Closure(..),
+                ..
+            }) if let Some(Node::Expr(&hir::Expr {
+                hir_id,
+                kind: hir::ExprKind::Call(..),
+                ..
+            })) = self.tcx.hir().find_parent(hir_id) &&
+            let Some(Node::Item(&hir::Item {
+                ident,
+                kind: hir::ItemKind::Fn(ref sig, ..),
+                ..
+            })) = self.tcx.hir().find_parent(hir_id) => {
+                Some((&sig.decl, ident, ident.name != sym::main))
+            },
             _ => None,
         }
     }