From cb3aa6d76ae8fe250df7a1390049e245cb5ba76a Mon Sep 17 00:00:00 2001
From: "Emil J. Tywoniak" <emil@tywoniak.eu>
Date: Fri, 17 Apr 2026 18:38:40 +0200
Subject: [PATCH] simplify: no fast lookup for packages

---
 frontends/ast/simplify.cc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc
index 5f0e04ebf..d90ade3fe 100644
--- a/frontends/ast/simplify.cc
+++ b/frontends/ast/simplify.cc
@@ -4862,8 +4862,10 @@ void AstNode::add_to_module_fast_lookup(dict<std::string, AstNode*>& module_fast
 dict<std::string, AstNode*> AstNode::generate_module_fast_lookup_for_genblock_expansion()
 {
 	dict<std::string, AstNode*> module_fast_lookup;
-	for (auto& node : current_ast_mod->children) {
-		add_to_module_fast_lookup(module_fast_lookup, node.get());
+	if (current_ast_mod) {
+		for (auto& node : current_ast_mod->children) {
+			add_to_module_fast_lookup(module_fast_lookup, node.get());
+		}
 	}
 	return module_fast_lookup;
 }