src/java.base/share/classes/jdk/internal/org/objectweb/asm/tree/AnnotationNode.java

*** 245,259 ****
--- 245,261 ----
              } else if (value instanceof AnnotationNode) {
                  AnnotationNode an = (AnnotationNode) value;
                  an.accept(av.visitAnnotation(name, an.desc));
              } else if (value instanceof List) {
                  AnnotationVisitor v = av.visitArray(name);
+                 if (v != null) {
                      List<?> array = (List<?>) value;
                      for (int j = 0; j < array.size(); ++j) {
                          accept(v, null, array.get(j));
                      }
                      v.visitEnd();
+                 }
              } else {
                  av.visit(name, value);
              }
          }
      }