1 files changed, 4 insertions, 0 deletions
diff --git a/source/slang/slang-lower-to-ir.cpp b/source/slang/slang-lower-to-ir.cpp
index d9080169a..31472e878 100644
--- a/source/slang/slang-lower-to-ir.cpp
+++ b/source/slang/slang-lower-to-ir.cpp
@@ -8119,6 +8119,10 @@ struct DeclLoweringVisitor : DeclVisitor<DeclLoweringVisitor, LoweredValInfo>
         {
             return ensureDecl(context, interfaceDecl);
         }
+        else if (auto typedefDecl = as<TypeDefDecl>(genDecl->inner))
+        {
+            return ensureDecl(context, typedefDecl);
+        }
         SLANG_RELEASE_ASSERT(false);
         UNREACHABLE_RETURN(LoweredValInfo());
     }