From e27042db999aa654702f22364a80657ed00616c9 Mon Sep 17 00:00:00 2001
From: Christian Banse <christian.banse@aisec.fraunhofer.de>
Date: Thu, 2 Sep 2021 14:43:39 +0200
Subject: [PATCH] Fixed potential null pointer in TypeResolver (#552)

---
 .../main/java/de/fraunhofer/aisec/cpg/passes/TypeResolver.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cpg-library/src/main/java/de/fraunhofer/aisec/cpg/passes/TypeResolver.java b/cpg-library/src/main/java/de/fraunhofer/aisec/cpg/passes/TypeResolver.java
index ffa395e3ca..9a7f161688 100644
--- a/cpg-library/src/main/java/de/fraunhofer/aisec/cpg/passes/TypeResolver.java
+++ b/cpg-library/src/main/java/de/fraunhofer/aisec/cpg/passes/TypeResolver.java
@@ -248,7 +248,7 @@ public void ensureUniqueType(Node node) {
         types = typeState.keySet();
       } else {
         Type root = oldType.getRoot();
-        types = typeState.get(root);
+        types = typeState.computeIfAbsent(root, x -> new ArrayList<>());
       }
 
       updateType(node, types);