Handle nullptr in dynamic cast

Signed-off-by: Ryszard Rozak <[email protected]>
antmicro · Oct 27, 2023 · 58b50b7 · 58b50b7
1 parent 64af831
commit 58b50b7
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/include/verilated_types.h b/include/verilated_types.h
@@ -1685,6 +1685,10 @@ class VlClassRef final {
 
 template <typename T, typename U>
 static inline bool VL_CAST_DYNAMIC(VlClassRef<T> in, VlClassRef<U>& outr) {
+    if (!in) {
+        outr = VlNull{};
+        return true;
+    }
     VlClassRef<U> casted = in.template dynamicCast<U>();
     if (VL_LIKELY(casted)) {
         outr = casted;