--- a/.hgtags	Sun Sep 27 00:51:27 2015 +0300
+++ b/.hgtags	Mon Sep 28 08:14:42 2015 -0700
@@ -324,3 +324,5 @@
 3966bd3b8167419aa05c6718a4af1cf54b1e3c58 jdk9-b79
 3c9f5bd909ae7187f24622ee4b69f8a5756a9271 jdk9-b80
 2050b3a0aadcb0e024bf798197421d58e54ec8bf jdk9-b81
+6521875cb63e1d0121b30af56ebbc36db078c4c6 jdk9-b82
+f61a63b7d1e52e307abc0bfc751203155d362ec4 jdk9-b83

--- a/.hgtags-top-repo	Sun Sep 27 00:51:27 2015 +0300
+++ b/.hgtags-top-repo	Mon Sep 28 08:14:42 2015 -0700
@@ -324,3 +324,5 @@
 ba08a9f79b9849716bae1f39f71333d47f604012 jdk9-b79
 f7c5ae2933c0b8510a420d1713a955e4ffc7ad0b jdk9-b80
 b8afcf91331d78626a583ec1b63164468d6f4181 jdk9-b81
+42b56d1f418523ecb61a49d7493302c80c8009cc jdk9-b82
+ce5c14d97d95084504c32b9320cb33cce4235588 jdk9-b83

--- a/common/autoconf/basics.m4	Sun Sep 27 00:51:27 2015 +0300
+++ b/common/autoconf/basics.m4	Mon Sep 28 08:14:42 2015 -0700
@@ -445,6 +445,15 @@
   # Save the current directory this script was started from
   CURDIR="$PWD"
 
+  # We might need to rewrite ORIGINAL_PATH, if it includes "#", to quote them
+  # for make. We couldn't do this when we retrieved ORIGINAL_PATH, since SED
+  # was not available at that time.
+  REWRITTEN_PATH=`$ECHO "$ORIGINAL_PATH" | $SED -e 's/#/\\\\#/g'`
+  if test "x$REWRITTEN_PATH" != "x$ORIGINAL_PATH"; then
+    ORIGINAL_PATH="$REWRITTEN_PATH"
+    AC_MSG_NOTICE([Rewriting ORIGINAL_PATH to $REWRITTEN_PATH])
+  fi
+
   if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
     PATH_SEP=";"
     BASIC_CHECK_PATHS_WINDOWS
@@ -935,6 +944,7 @@
   BASIC_PATH_PROGS(HG, hg)
   BASIC_PATH_PROGS(STAT, stat)
   BASIC_PATH_PROGS(TIME, time)
+  BASIC_PATH_PROGS(PATCH, [gpatch patch])
   # Check if it's GNU time
   IS_GNU_TIME=`$TIME --version 2>&1 | $GREP 'GNU time'`
   if test "x$IS_GNU_TIME" != x; then

--- a/common/autoconf/compare.sh.in	Sun Sep 27 00:51:27 2015 +0300
+++ b/common/autoconf/compare.sh.in	Mon Sep 28 08:14:42 2015 -0700
@@ -29,47 +29,50 @@
 ##########################################################################################
 # Substitutions from autoconf
 
-LEGACY_BUILD_DIR=@OPENJDK_TARGET_OS@-@OPENJDK_TARGET_CPU_LEGACY@
+export LEGACY_BUILD_DIR=@OPENJDK_TARGET_OS@-@OPENJDK_TARGET_CPU_LEGACY@
 
-OPENJDK_TARGET_OS="@OPENJDK_TARGET_OS@"
-OPENJDK_TARGET_CPU="@OPENJDK_TARGET_CPU@"
+export OPENJDK_TARGET_OS="@OPENJDK_TARGET_OS@"
+export OPENJDK_TARGET_CPU="@OPENJDK_TARGET_CPU@"
 
-AWK="@AWK@"
-CAT="@CAT@"
-CMP="@CMP@"
-CP="@CP@"
-CUT="@CUT@"
-DIFF="@DIFF@"
-DUMPBIN="@FIXPATH@ @DUMPBIN@"
-EXPR="@EXPR@"
-FILE="@FILE@"
-FIND="@FIND@"
-GREP="@GREP@"
-JAVAP="@FIXPATH@ @BOOT_JDK@/bin/javap @JAVA_TOOL_FLAGS_SMALL@"
-JIMAGE="@FIXPATH@ @BUILD_OUTPUT@/jdk/bin/jimage"
-LDD="@LDD@"
-LN="@LN@"
-MKDIR="@MKDIR@"
-NAWK="@NAWK@"
-NM="@GNM@"
-OBJDUMP="@OBJDUMP@"
-OTOOL="@OTOOL@"
-PRINTF="@PRINTF@"
-READELF="@READELF@"
-RM="@RM@"
-SED="@SED@"
-SORT="@SORT@"
-STAT="@STAT@"
-STRIP="@POST_STRIP_CMD@"
-TEE="@TEE@"
-UNIQ="@UNIQ@"
-UNPACK200="@FIXPATH@ @BOOT_JDK@/bin/unpack200"
-UNZIP="@UNZIP@"
+export AWK="@AWK@"
+export BASH="@BASH@"
+export CAT="@CAT@"
+export CMP="@CMP@"
+export CP="@CP@"
+export CUT="@CUT@"
+export DIFF="@DIFF@"
+export DUMPBIN="@FIXPATH@ @DUMPBIN@"
+export EXPR="@EXPR@"
+export FILE="@FILE@"
+export FIND="@FIND@"
+export GREP="@GREP@"
+export JAVAP="@FIXPATH@ @BOOT_JDK@/bin/javap @JAVA_TOOL_FLAGS_SMALL@"
+export JIMAGE="@FIXPATH@ @BUILD_OUTPUT@/jdk/bin/jimage"
+export LDD="@LDD@"
+export LN="@LN@"
+export MKDIR="@MKDIR@"
+export MV="@MV@"
+export NAWK="@NAWK@"
+export NM="@GNM@"
+export OBJDUMP="@OBJDUMP@"
+export OTOOL="@OTOOL@"
+export PRINTF="@PRINTF@"
+export READELF="@READELF@"
+export RM="@RM@"
+export SED="@SED@"
+export SORT="@SORT@"
+export STAT="@STAT@"
+export STRIP="@POST_STRIP_CMD@"
+export TEE="@TEE@"
+export UNIQ="@UNIQ@"
+export UNPACK200="@FIXPATH@ @BOOT_JDK@/bin/unpack200"
+export UNZIP="@UNZIP@"
 
-SRC_ROOT="@TOPDIR@"
+export SRC_ROOT="@TOPDIR@"
+export OUTPUT_ROOT="@OUTPUT_ROOT@"
 
 if [ "$OPENJDK_TARGET_OS" = "windows" ]; then
-  PATH="@VS_PATH@"
+  export PATH="@VS_PATH@"
 fi
 
 # Now locate the main script and run it.
@@ -79,4 +82,8 @@
   exit 1
 fi
 
-. "$REAL_COMPARE_SCRIPT" "$@"
+# Rotate logs
+$RM $OUTPUT_ROOT/compare.log.old 2> /dev/null
+$MV $OUTPUT_ROOT/compare.log $OUTPUT_ROOT/compare.log.old 2> /dev/null
+
+$BASH $SRC_ROOT/common/bin/logger.sh $OUTPUT_ROOT/compare.log $BASH "$REAL_COMPARE_SCRIPT" "$@"

--- a/common/autoconf/generated-configure.sh	Sun Sep 27 00:51:27 2015 +0300
+++ b/common/autoconf/generated-configure.sh	Mon Sep 28 08:14:42 2015 -0700
@@ -841,7 +841,6 @@
 JDK_MAJOR_VERSION
 USER_RELEASE_SUFFIX
 COMPRESS_JARS
-RMICONNECTOR_IIOP
 UNLIMITED_CRYPTO
 CACERTS_FILE
 TEST_IN_BUILD
@@ -860,6 +859,7 @@
 XATTR
 DSYMUTIL
 IS_GNU_TIME
+PATCH
 TIME
 STAT
 HG
@@ -1060,7 +1060,6 @@
 enable_hotspot_test_in_build
 with_cacerts_file
 enable_unlimited_crypto
-enable_rmiconnector_iiop
 with_milestone
 with_update_version
 with_user_release_suffix
@@ -1176,6 +1175,7 @@
 HG
 STAT
 TIME
+PATCH
 DSYMUTIL
 XATTR
 CODESIGN
@@ -1848,9 +1848,6 @@
                           run the Queens test after Hotspot build [disabled]
   --enable-unlimited-crypto
                           Enable unlimited crypto policy [disabled]
-  --enable-rmiconnector-iiop
-                          enable the JMX RMIConnector iiop transport
-                          [disabled]
   --disable-warnings-as-errors
                           do not consider native warnings to be an error
                           [enabled]
@@ -2058,6 +2055,7 @@
   HG          Override default value for HG
   STAT        Override default value for STAT
   TIME        Override default value for TIME
+  PATCH       Override default value for PATCH
   DSYMUTIL    Override default value for DSYMUTIL
   XATTR       Override default value for XATTR
   CODESIGN    Override default value for CODESIGN
@@ -3951,7 +3949,7 @@
 
 
 #
-# Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2015, 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
@@ -4364,7 +4362,7 @@
 #CUSTOM_AUTOCONF_INCLUDE
 
 # Do not change or remove the following line, it is needed for consistency checks:
-DATE_WHEN_GENERATED=1441958217
+DATE_WHEN_GENERATED=1442820958
 
 ###############################################################################
 #
@@ -13846,6 +13844,16 @@
   # Save the current directory this script was started from
   CURDIR="$PWD"
 
+  # We might need to rewrite ORIGINAL_PATH, if it includes "#", to quote them
+  # for make. We couldn't do this when we retrieved ORIGINAL_PATH, since SED
+  # was not available at that time.
+  REWRITTEN_PATH=`$ECHO "$ORIGINAL_PATH" | $SED -e 's/#/\\\\#/g'`
+  if test "x$REWRITTEN_PATH" != "x$ORIGINAL_PATH"; then
+    ORIGINAL_PATH="$REWRITTEN_PATH"
+    { $as_echo "$as_me:${as_lineno-$LINENO}: Rewriting ORIGINAL_PATH to $REWRITTEN_PATH" >&5
+$as_echo "$as_me: Rewriting ORIGINAL_PATH to $REWRITTEN_PATH" >&6;}
+  fi
+
   if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
     PATH_SEP=";"
 
@@ -18870,6 +18878,192 @@
   fi
 
 
+
+
+  # Publish this variable in the help.
+
+
+  if test "x$PATCH" = x; then
+    # The variable is not set by user, try to locate tool using the code snippet
+    for ac_prog in gpatch patch
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_PATCH+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $PATCH in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_PATCH="$PATCH" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_PATCH="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+PATCH=$ac_cv_path_PATCH
+if test -n "$PATCH"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PATCH" >&5
+$as_echo "$PATCH" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$PATCH" && break
+done
+
+  else
+    # The variable is set, but is it from the command line or the environment?
+
+    # Try to remove the string !PATCH! from our list.
+    try_remove_var=${CONFIGURE_OVERRIDDEN_VARIABLES//!PATCH!/}
+    if test "x$try_remove_var" = "x$CONFIGURE_OVERRIDDEN_VARIABLES"; then
+      # If it failed, the variable was not from the command line. Ignore it,
+      # but warn the user (except for BASH, which is always set by the calling BASH).
+      if test "xPATCH" != xBASH; then
+        { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Ignoring value of PATCH from the environment. Use command line variables instead." >&5
+$as_echo "$as_me: WARNING: Ignoring value of PATCH from the environment. Use command line variables instead." >&2;}
+      fi
+      # Try to locate tool using the code snippet
+      for ac_prog in gpatch patch
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_PATCH+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $PATCH in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_PATCH="$PATCH" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_PATCH="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+PATCH=$ac_cv_path_PATCH
+if test -n "$PATCH"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PATCH" >&5
+$as_echo "$PATCH" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$PATCH" && break
+done
+
+    else
+      # If it succeeded, then it was overridden by the user. We will use it
+      # for the tool.
+
+      # First remove it from the list of overridden variables, so we can test
+      # for unknown variables in the end.
+      CONFIGURE_OVERRIDDEN_VARIABLES="$try_remove_var"
+
+      # Check if the provided tool contains a complete path.
+      tool_specified="$PATCH"
+      tool_basename="${tool_specified##*/}"
+      if test "x$tool_basename" = "x$tool_specified"; then
+        # A command without a complete path is provided, search $PATH.
+        { $as_echo "$as_me:${as_lineno-$LINENO}: Will search for user supplied tool PATCH=$tool_basename" >&5
+$as_echo "$as_me: Will search for user supplied tool PATCH=$tool_basename" >&6;}
+        # Extract the first word of "$tool_basename", so it can be a program name with args.
+set dummy $tool_basename; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_PATCH+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $PATCH in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_PATCH="$PATCH" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_PATCH="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+PATCH=$ac_cv_path_PATCH
+if test -n "$PATCH"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PATCH" >&5
+$as_echo "$PATCH" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+        if test "x$PATCH" = x; then
+          as_fn_error $? "User supplied tool $tool_basename could not be found" "$LINENO" 5
+        fi
+      else
+        # Otherwise we believe it is a complete path. Use it as it is.
+        { $as_echo "$as_me:${as_lineno-$LINENO}: Will use user supplied tool PATCH=$tool_specified" >&5
+$as_echo "$as_me: Will use user supplied tool PATCH=$tool_specified" >&6;}
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for PATCH" >&5
+$as_echo_n "checking for PATCH... " >&6; }
+        if test ! -x "$tool_specified"; then
+          { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found" >&5
+$as_echo "not found" >&6; }
+          as_fn_error $? "User supplied tool PATCH=$tool_specified does not exist or is not executable" "$LINENO" 5
+        fi
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: $tool_specified" >&5
+$as_echo "$tool_specified" >&6; }
+      fi
+    fi
+  fi
+
+
   # Check if it's GNU time
   IS_GNU_TIME=`$TIME --version 2>&1 | $GREP 'GNU time'`
   if test "x$IS_GNU_TIME" != x; then
@@ -20100,22 +20294,6 @@
 
   ###############################################################################
   #
-  # --enable-rmiconnector-iiop
-  #
-  # Check whether --enable-rmiconnector-iiop was given.
-if test "${enable_rmiconnector_iiop+set}" = set; then :
-  enableval=$enable_rmiconnector_iiop;
-fi
-
-  if test "x$enable_rmiconnector_iiop" = "xyes"; then
-    RMICONNECTOR_IIOP=true
-  else
-    RMICONNECTOR_IIOP=false
-  fi
-
-
-  ###############################################################################
-  #
   # Compress jars
   #
   COMPRESS_JARS=false

--- a/common/autoconf/jdk-options.m4	Sun Sep 27 00:51:27 2015 +0300
+++ b/common/autoconf/jdk-options.m4	Mon Sep 28 08:14:42 2015 -0700
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2015, 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
@@ -455,19 +455,6 @@
 
   ###############################################################################
   #
-  # --enable-rmiconnector-iiop
-  #
-  AC_ARG_ENABLE(rmiconnector-iiop, [AS_HELP_STRING([--enable-rmiconnector-iiop],
-      [enable the JMX RMIConnector iiop transport  @<:@disabled@:>@])])
-  if test "x$enable_rmiconnector_iiop" = "xyes"; then
-    RMICONNECTOR_IIOP=true
-  else
-    RMICONNECTOR_IIOP=false
-  fi
-  AC_SUBST(RMICONNECTOR_IIOP)
-
-  ###############################################################################
-  #
   # Compress jars
   #
   COMPRESS_JARS=false

--- a/common/autoconf/spec.gmk.in	Sun Sep 27 00:51:27 2015 +0300
+++ b/common/autoconf/spec.gmk.in	Mon Sep 28 08:14:42 2015 -0700
@@ -36,6 +36,11 @@
 # A self-referential reference to this file.
 SPEC:=@SPEC@
 
+# SPACE is defined in MakeBase.gmk, but it is also used in := rules here for some
+# toolchains, and is needed if MakeBase.gmk is not included before this file.
+X:=
+SPACE:=$(X) $(X)
+
 # What make to use for main processing, after bootstrapping top-level Makefile.
 MAKE := @MAKE@
 
@@ -262,9 +267,6 @@
 # Enable unlimited crypto policy
 UNLIMITED_CRYPTO=@UNLIMITED_CRYPTO@
 
-# Enable RMIConnector IIOP transport
-RMICONNECTOR_IIOP=@RMICONNECTOR_IIOP@
-
 GCOV_ENABLED=@GCOV_ENABLED@
 
 # Necessary additional compiler flags to compile X11
@@ -498,6 +500,7 @@
 MKDIR:=@MKDIR@
 MV:=@MV@
 NAWK:=@NAWK@
+PATCH:=@PATCH@
 PRINTF:=@PRINTF@
 PWD:=@THEPWDCMD@
 RM:=@RM@

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/common/bin/blessed-modifier-order.sh	Mon Sep 28 08:14:42 2015 -0700
@@ -0,0 +1,60 @@
+#!/bin/bash
+#
+# Copyright 2015 Google, Inc.  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.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# version 2 for more details (a copy is included in the LICENSE file that
+# accompanied this code).
+#
+# You should have received a copy of the GNU General Public License version
+# 2 along with this work; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+# or visit www.oracle.com if you need additional information or have any
+# questions.
+
+usage() {
+  (
+    echo "$0 DIR ..."
+    echo "Modifies in place all the java source files found"
+    echo "in the given directories so that all java language modifiers"
+    echo "are in the canonical order given by Modifier#toString()."
+    echo "Tries to get it right even within javadoc comments,"
+    echo "and even if the list of modifiers spans 2 lines."
+    echo
+    echo "See:"
+    echo "https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Modifier.html#toString-int-"
+    echo
+    echo "Example:"
+    echo "$0 jdk/src/java.base jdk/test/java/{util,io,lang}"
+  ) >&2
+  exit 1
+}
+
+set -eu
+declare -ar dirs=("$@")
+[[ "${#dirs[@]}" > 0 ]] || usage
+for dir in "${dirs[@]}"; do [[ -d "$dir" ]] || usage; done
+
+declare -ar modifiers=(
+  public protected private
+  abstract static final transient
+  volatile synchronized native strictfp
+)
+declare -r SAVE_IFS="$IFS"
+for ((i = 3; i < "${#modifiers[@]}"; i++)); do
+  IFS='|'; x="${modifiers[*]:0:i}" y="${modifiers[*]:i}"; IFS="$SAVE_IFS"
+  if [[ -n "$x" && -n "$y" ]]; then
+    find "${dirs[@]}" -name '*.java' -type f -print0 | \
+      xargs -0 perl -0777 -p -i -e \
+      "do {} while s/^([A-Za-z@* ]*)\b($y)(\s|(?:\s|\n\s+\*)*\s)($x)\b/\1\4\3\2/mg"
+  fi
+done