From 8395acfa0ad8379011e4470b94362189cafac93f Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Wed, 27 Mar 2024 12:21:07 -0700
Subject: Fix lookup to prevent finding `typedef` itself. (#3848)

---
 source/slang/slang-check-decl.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'source/slang/slang-check-decl.cpp')

diff --git a/source/slang/slang-check-decl.cpp b/source/slang/slang-check-decl.cpp
index c844fb82a..ed97e412d 100644
--- a/source/slang/slang-check-decl.cpp
+++ b/source/slang/slang-check-decl.cpp
@@ -6203,7 +6203,8 @@ namespace Slang
 
     void SemanticsDeclHeaderVisitor::visitTypeDefDecl(TypeDefDecl* decl)
     {
-        decl->type = CheckProperType(decl->type);
+        SemanticsVisitor visitor(withDeclToExcludeFromLookup(decl));
+        decl->type = visitor.CheckProperType(decl->type);
         checkVisibility(decl);
     }
 
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