test/compiler/whitebox/CompilerWhiteBoxTest.java

rev 8983 : 8222670: pathological case of JIT recompilation and code cache bloat
Summary: Prevent downgraded compilation tasks from recompiling.
Reviewed-by: thartmann, sgehwolf, phh, andrew

*** 1,7 ****
  /*
!  * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,7 ----
  /*
!  * Copyright (c) 2013, 2019, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
*** 326,340 ****
      protected static final void waitBackgroundCompilation(Executable executable) {
          if (!BACKGROUND_COMPILATION) {
              return;
          }
          final Object obj = new Object();
!         for (int i = 0; i < 10
                  && WHITE_BOX.isMethodQueuedForCompilation(executable); ++i) {
              synchronized (obj) {
                  try {
!                     obj.wait(1000);
                  } catch (InterruptedException e) {
                      Thread.currentThread().interrupt();
                  }
              }
          }
--- 326,340 ----
      protected static final void waitBackgroundCompilation(Executable executable) {
          if (!BACKGROUND_COMPILATION) {
              return;
          }
          final Object obj = new Object();
!         for (int i = 0; i < 100
                  && WHITE_BOX.isMethodQueuedForCompilation(executable); ++i) {
              synchronized (obj) {
                  try {
!                     obj.wait(100);
                  } catch (InterruptedException e) {
                      Thread.currentThread().interrupt();
                  }
              }
          }