*** old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core/src/org/graalvm/compiler/core/CompilerThread.java	Fri Jul  7 09:29:46 2017
--- new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core/src/org/graalvm/compiler/core/CompilerThread.java	Fri Jul  7 09:29:46 2017

*** 20,63 ****
--- 20,42 ----
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  package org.graalvm.compiler.core;
  
  import org.graalvm.compiler.core.CompilerThreadFactory.DebugConfigAccess;
  import org.graalvm.compiler.debug.DebugConfig;
  import org.graalvm.compiler.debug.DebugDumpHandler;
  import org.graalvm.compiler.debug.GraalDebugConfig;
  
  /**
!  * A compiler thread is a daemon thread that runs at {@link Thread#MAX_PRIORITY} and executes in the
   * context of a thread-local {@linkplain GraalDebugConfig debug configuration}.
!  * A compiler thread is a daemon thread that runs at {@link Thread#MAX_PRIORITY}.
   */
  public class CompilerThread extends Thread {
  
!     private final DebugConfigAccess debugConfigAccess;
  
      public CompilerThread(Runnable r, String namePrefix, DebugConfigAccess debugConfigAccess) {
!     public CompilerThread(Runnable r, String namePrefix) {
          super(r);
          this.setName(namePrefix + "-" + this.getId());
          this.setPriority(Thread.MAX_PRIORITY);
          this.setDaemon(true);
          this.debugConfigAccess = debugConfigAccess;
      }
  
      @Override
      public void run() {
          DebugConfig debugConfig = debugConfigAccess.getDebugConfig();
          setContextClassLoader(getClass().getClassLoader());
          try {
          super.run();
          } finally {
              if (debugConfig != null) {
                  for (DebugDumpHandler dumpHandler : debugConfig.dumpHandlers()) {
                      try {
                          dumpHandler.close();
                      } catch (Throwable t) {
                      }
                  }
              }
          }
      }
  }