From 08aa642fe56a167c896759235b335d76cb291d3c Mon Sep 17 00:00:00 2001
From: Alexey Andreev <konsoletyper@gmail.com>
Date: Tue, 31 Aug 2021 15:11:17 +0300
Subject: [PATCH] C: prevent from casting to native function type

---
 .../org/teavm/backend/c/generate/CodeGenerationVisitor.java    | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/core/src/main/java/org/teavm/backend/c/generate/CodeGenerationVisitor.java b/core/src/main/java/org/teavm/backend/c/generate/CodeGenerationVisitor.java
index d5cd36aa1..077900ffe 100644
--- a/core/src/main/java/org/teavm/backend/c/generate/CodeGenerationVisitor.java
+++ b/core/src/main/java/org/teavm/backend/c/generate/CodeGenerationVisitor.java
@@ -1058,8 +1058,7 @@ public class CodeGenerationVisitor implements ExprVisitor, StatementVisitor {
     public void visit(CastExpr expr) {
         if (expr.getTarget() instanceof ValueType.Object) {
             String className = ((ValueType.Object) expr.getTarget()).getClassName();
-            if (context.getCharacteristics().isStructure(className)
-                    || className.equals(Address.class.getName())) {
+            if (!context.getCharacteristics().isManaged(className)) {
                 expr.getValue().acceptVisitor(this);
                 return;
             }