1 files changed, 8 insertions, 2 deletions
diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/namespace.rs b/compiler/rustc_codegen_llvm/src/debuginfo/namespace.rs
index d1a55335c44..835d0d2e12d 100644
--- a/compiler/rustc_codegen_llvm/src/debuginfo/namespace.rs
+++ b/compiler/rustc_codegen_llvm/src/debuginfo/namespace.rs
@@ -7,7 +7,8 @@ use crate::common::CodegenCx;
 use crate::llvm;
 use crate::llvm::debuginfo::DIScope;
 use rustc_hir::def_id::DefId;
-use rustc_hir::definitions::DefPathData;
+use rustc_hir::definitions::{DefPathData, DefPathDataName};
+use rustc_span::symbol::Symbol;
 
 pub fn mangled_name_of_instance<'a, 'tcx>(
     cx: &CodegenCx<'a, 'tcx>,
@@ -29,7 +30,12 @@ pub fn item_namespace(cx: &CodegenCx<'ll, '_>, def_id: DefId) -> &'ll DIScope {
 
     let namespace_name = match def_key.disambiguated_data.data {
         DefPathData::CrateRoot => cx.tcx.crate_name(def_id.krate),
-        data => data.as_symbol(),
+        data => match data.get_name() {
+            DefPathDataName::Named(name) => name,
+            DefPathDataName::Anon { namespace } => {
+                Symbol::intern(&format!("{{{{{}}}}}", namespace))
+            }
+        },
     };
     let namespace_name = namespace_name.as_str();