Rollup merge of #68312 - varkor:issue-67753-regression, r=Centril

[rust.git] / src / librustc_ast_lowering / lib.rs

diff --git a/src/librustc_ast_lowering/lib.rs b/src/librustc_ast_lowering/lib.rs
index 58b8e8a089ad31137380c1584b39b01c875b3174..76a0889c376a22b1367ebf67fcec7cb21dbf249a 100644 (file)
--- a/src/librustc_ast_lowering/lib.rs
+++ b/src/librustc_ast_lowering/lib.rs
@@ -37,7 +37,6 @@
 use rustc::dep_graph::DepGraph;
 use rustc::hir::map::definitions::{DefKey, DefPathData, Definitions};
 use rustc::hir::map::Map;
-use rustc::lint::builtin;
 use rustc::{bug, span_bug};
 use rustc_data_structures::captures::Captures;
 use rustc_data_structures::fx::FxHashSet;
@@ -51,7 +50,7 @@
 use rustc_hir::{ConstArg, GenericArg, ParamName};
 use rustc_index::vec::IndexVec;
 use rustc_session::config::nightly_options;
-use rustc_session::lint::{BuiltinLintDiagnostics, LintBuffer};
+use rustc_session::lint::{builtin, BuiltinLintDiagnostics, LintBuffer};
 use rustc_session::node_id::NodeMap;
 use rustc_session::Session;
 use rustc_span::hygiene::ExpnId;
@@ -2121,12 +2120,14 @@ fn lower_generic_param(
 
                 (hir::ParamName::Plain(param.ident), kind)
             }
-            GenericParamKind::Const { ref ty } => (
-                hir::ParamName::Plain(param.ident),
-                hir::GenericParamKind::Const {
-                    ty: self.lower_ty(&ty, ImplTraitContext::disallowed()),
-                },
-            ),
+            GenericParamKind::Const { ref ty } => {
+                let ty = self
+                    .with_anonymous_lifetime_mode(AnonymousLifetimeMode::ReportError, |this| {
+                        this.lower_ty(&ty, ImplTraitContext::disallowed())
+                    });
+
+                (hir::ParamName::Plain(param.ident), hir::GenericParamKind::Const { ty })
+            }
         };
 
         hir::GenericParam {