Support unscoped enums. (#3771)

1 files changed, 9 insertions, 1 deletions

diff --git a/source/slang/slang-check-modifier.cpp b/source/slang/slang-check-modifier.cpp
index 6359096b9..eae993dc7 100644
--- a/source/slang/slang-check-modifier.cpp
+++ b/source/slang/slang-check-modifier.cpp
@@ -1173,7 +1173,15 @@ namespace Slang
             // the right syntax class to instantiate.
             //
 
-            return checkAttribute(hlslUncheckedAttribute, syntaxNode);
+            auto checkedAttr = checkAttribute(hlslUncheckedAttribute, syntaxNode);
+
+            if (as<UnscopedEnumAttribute>(checkedAttr))
+            {
+                if (auto parentDecl = as<ContainerDecl>(getParentDecl(as<Decl>(syntaxNode))))
+                    parentDecl->invalidateMemberDictionary();
+                return getASTBuilder()->create<TransparentModifier>();
+            }
+            return checkedAttr;
         }
 
         if (auto decl = as<Decl>(syntaxNode))