src/java.base/unix/classes/java/lang/ProcessImpl.java

rev 52900 : 8211844: [aix] ProcessBuilder: Piping between created processes does not work.
Reviewed-by:

*** 444,454 ****
              case AIX:
                  stdin = (fds[0] == -1) ?
                          ProcessBuilder.NullOutputStream.INSTANCE :
                          new ProcessPipeOutputStream(fds[0]);
  
!                 stdout = (fds[1] == -1) ?
                           ProcessBuilder.NullInputStream.INSTANCE :
                           new DeferredCloseProcessPipeInputStream(fds[1]);
  
                  stderr = (fds[2] == -1) ?
                           ProcessBuilder.NullInputStream.INSTANCE :
--- 444,454 ----
              case AIX:
                  stdin = (fds[0] == -1) ?
                          ProcessBuilder.NullOutputStream.INSTANCE :
                          new ProcessPipeOutputStream(fds[0]);
  
!                 stdout = (fds[1] == -1 || forceNullOutputStream) ?
                           ProcessBuilder.NullInputStream.INSTANCE :
                           new DeferredCloseProcessPipeInputStream(fds[1]);
  
                  stderr = (fds[2] == -1) ?
                           ProcessBuilder.NullInputStream.INSTANCE :