src/java.base/share/classes/jdk/internal/misc/InnocuousThread.java

*** 126,137 ****
                      break;
                  group = parent;
              }
              final ThreadGroup root = group;
              INNOCUOUSTHREADGROUP = AccessController.doPrivileged(
!                 (PrivilegedAction<ThreadGroup>) () ->
!                     { return new ThreadGroup(root, "InnocuousThreadGroup"); });
          } catch (Exception e) {
              throw new Error(e);
          }
      }
  }
--- 126,141 ----
                      break;
                  group = parent;
              }
              final ThreadGroup root = group;
              INNOCUOUSTHREADGROUP = AccessController.doPrivileged(
!                 new PrivilegedAction<ThreadGroup>() {
!                     @Override
!                     public ThreadGroup run() {
!                         return new ThreadGroup(root, "InnocuousThreadGroup");
!                     }
!                 });
          } catch (Exception e) {
              throw new Error(e);
          }
      }
  }