From d4cbb491801bc24ec83b554b1333c277cdbd9c36 Mon Sep 17 00:00:00 2001
From: Roberto Raggi <roberto.raggi@gmail.com>
Date: Tue, 11 Feb 2025 21:36:11 +0000
Subject: [PATCH] Resolve using declarations when looking for types

Signed-off-by: GitHub <noreply@github.com>
---
 src/parser/cxx/name_lookup.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/parser/cxx/name_lookup.cc b/src/parser/cxx/name_lookup.cc
index a5eb79a2..93b38624 100644
--- a/src/parser/cxx/name_lookup.cc
+++ b/src/parser/cxx/name_lookup.cc
@@ -252,6 +252,11 @@ auto Lookup::lookupTypeHelper(Scope* scope, const Identifier* id,
   }
 
   for (auto candidate : scope->find(id)) {
+    if (auto u = symbol_cast<UsingDeclarationSymbol>(candidate);
+        u && u->target()) {
+      candidate = u->target();
+    }
+
     if (is_type(candidate) || candidate->isNamespace()) {
       return candidate;
     }