src/java.base/share/classes/jdk/internal/org/objectweb/asm/commons/AnalyzerAdapter.java

@@ -531,10 +531,11 @@
                  return;
              case '[':
                  push(descriptor);
                  break;
              case 'L':
+             case 'Q':
                  push(descriptor.substring(1, descriptor.length() - 1));
                  break;
              default:
                  throw new AssertionError();
          }