diff --git a/test/mjsunit/debug-sourceinfo.js b/test/mjsunit/debug-sourceinfo.js
index f67a37756b..f360684d40 100644
--- a/test/mjsunit/debug-sourceinfo.js
+++ b/test/mjsunit/debug-sourceinfo.js
@@ -1,276 +1,276 @@
-// Copyright 2008 Google Inc. All Rights Reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-//       notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-//       copyright notice, this list of conditions and the following
-//       disclaimer in the documentation and/or other materials provided
-//       with the distribution.
-//     * Neither the name of Google Inc. nor the names of its
-//       contributors may be used to endorse or promote products derived
-//       from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// Flags: --expose-debug-as debug
-// For this test to work this file MUST have CR LF line endings.
-function a() { b(); };
-function    b() {
-  c(true);
-};
-  function c(x) {
-    if (x) {
-      return 1;
-    } else {
-      return 1;
-    }
-  };
-
-// Get the Debug object exposed from the debug context global object.
-Debug = debug.Debug
-
-// This is the number of comment lines above the first test function.
-var comment_lines = 29;
-
-// This magic number is the length or the first line comment (actually number
-// of characters before 'function a(...'.
-var comment_line_length = 1714;
-var start_a = 10 + comment_line_length;
-var start_b = 37 + comment_line_length;
-var start_c = 71 + comment_line_length;
-
-assertEquals(start_a, Debug.sourcePosition(a));
-assertEquals(start_b, Debug.sourcePosition(b));
-assertEquals(start_c, Debug.sourcePosition(c));
-
-var script = Debug.findScript(a);
-assertTrue(script.data === Debug.findScript(b).data);
-assertTrue(script.data === Debug.findScript(c).data);
-assertTrue(script.source === Debug.findScript(b).source);
-assertTrue(script.source === Debug.findScript(c).source);
-
-// Test that when running through source positions the position, line and
-// column progresses as expected.
-var position;
-var line;
-var column;
-for (var p = 0; p < 100; p++) {
-  var location = script.locationFromPosition(p);
-  if (p > 0) {
-    assertEquals(position + 1, location.position);
-    if (line == location.line) {
-      assertEquals(column + 1, location.column);
-    } else {
-      assertEquals(line + 1, location.line);
-      assertEquals(0, location.column);
-    }
-  } else {
-    assertEquals(0, location.position);
-    assertEquals(0, location.line);
-    assertEquals(0, location.column);
-  }
-
-  // Remember the location.
-  position = location.position;
-  line = location.line;
-  column = location.column;
-}
-
-// Test first position.
-assertEquals(0, script.locationFromPosition(0).position);
-assertEquals(0, script.locationFromPosition(0).line);
-assertEquals(0, script.locationFromPosition(0).column);
-
-// Test second position.
-assertEquals(1, script.locationFromPosition(1).position);
-assertEquals(0, script.locationFromPosition(1).line);
-assertEquals(1, script.locationFromPosition(1).column);
-
-// Test first position in finction a.
-assertEquals(start_a, script.locationFromPosition(start_a).position);
-assertEquals(0, script.locationFromPosition(start_a).line - comment_lines);
-assertEquals(10, script.locationFromPosition(start_a).column);
-
-// Test first position in finction b.
-assertEquals(start_b, script.locationFromPosition(start_b).position);
-assertEquals(1, script.locationFromPosition(start_b).line - comment_lines);
-assertEquals(13, script.locationFromPosition(start_b).column);
-
-// Test first position in finction b.
-assertEquals(start_c, script.locationFromPosition(start_c).position);
-assertEquals(4, script.locationFromPosition(start_c).line - comment_lines);
-assertEquals(12, script.locationFromPosition(start_c).column);
-
-// Test first line.
-assertEquals(0, script.locationFromLine().position);
-assertEquals(0, script.locationFromLine().line);
-assertEquals(0, script.locationFromLine().column);
-assertEquals(0, script.locationFromLine(0).position);
-assertEquals(0, script.locationFromLine(0).line);
-assertEquals(0, script.locationFromLine(0).column);
-
-// Test first line column 1
-assertEquals(1, script.locationFromLine(0, 1).position);
-assertEquals(0, script.locationFromLine(0, 1).line);
-assertEquals(1, script.locationFromLine(0, 1).column);
-
-// Test first line offset 1
-assertEquals(1, script.locationFromLine(0, 0, 1).position);
-assertEquals(0, script.locationFromLine(0, 0, 1).line);
-assertEquals(1, script.locationFromLine(0, 0, 1).column);
-
-// Test offset function a
-assertEquals(start_a, script.locationFromLine(void 0, void 0, start_a).position);
-assertEquals(0, script.locationFromLine(void 0, void 0, start_a).line - comment_lines);
-assertEquals(10, script.locationFromLine(void 0, void 0, start_a).column);
-assertEquals(start_a, script.locationFromLine(0, void 0, start_a).position);
-assertEquals(0, script.locationFromLine(0, void 0, start_a).line - comment_lines);
-assertEquals(10, script.locationFromLine(0, void 0, start_a).column);
-assertEquals(start_a, script.locationFromLine(0, 0, start_a).position);
-assertEquals(0, script.locationFromLine(0, 0, start_a).line - comment_lines);
-assertEquals(10, script.locationFromLine(0, 0, start_a).column);
-
-// Test second line offset function a
-assertEquals(start_a + 14, script.locationFromLine(1, 0, start_a).position);
-assertEquals(1, script.locationFromLine(1, 0, start_a).line - comment_lines);
-assertEquals(0, script.locationFromLine(1, 0, start_a).column);
-
-// Test second line column 2 offset function a
-assertEquals(start_a + 14 + 2, script.locationFromLine(1, 2, start_a).position);
-assertEquals(1, script.locationFromLine(1, 2, start_a).line - comment_lines);
-assertEquals(2, script.locationFromLine(1, 2, start_a).column);
-
-// Test offset function b
-assertEquals(start_b, script.locationFromLine(0, 0, start_b).position);
-assertEquals(1, script.locationFromLine(0, 0, start_b).line - comment_lines);
-assertEquals(13, script.locationFromLine(0, 0, start_b).column);
-
-// Test second line offset function b
-assertEquals(start_b + 6, script.locationFromLine(1, 0, start_b).position);
-assertEquals(2, script.locationFromLine(1, 0, start_b).line - comment_lines);
-assertEquals(0, script.locationFromLine(1, 0, start_b).column);
-
-// Test second line column 11 offset function b
-assertEquals(start_b + 6 + 11, script.locationFromLine(1, 11, start_b).position);
-assertEquals(2, script.locationFromLine(1, 11, start_b).line - comment_lines);
-assertEquals(11, script.locationFromLine(1, 11, start_b).column);
-
-// Test second line column 12 offset function b. Second line in b is 11 long
-// using column 12 wraps to next line.
-assertEquals(start_b + 6 + 12, script.locationFromLine(1, 12, start_b).position);
-assertEquals(3, script.locationFromLine(1, 12, start_b).line - comment_lines);
-assertEquals(0, script.locationFromLine(1, 12, start_b).column);
-
-// Test the Debug.findSourcePosition which wraps SourceManager.
-assertEquals(0 + start_a, Debug.findFunctionSourcePosition(a, 0, 0));
-assertEquals(0 + start_b, Debug.findFunctionSourcePosition(b, 0, 0));
-assertEquals(6 + start_b, Debug.findFunctionSourcePosition(b, 1, 0));
-assertEquals(8 + start_b, Debug.findFunctionSourcePosition(b, 1, 2));
-assertEquals(18 + start_b, Debug.findFunctionSourcePosition(b, 2, 0));
-assertEquals(0 + start_c, Debug.findFunctionSourcePosition(c, 0, 0));
-assertEquals(7 + start_c, Debug.findFunctionSourcePosition(c, 1, 0));
-assertEquals(21 + start_c, Debug.findFunctionSourcePosition(c, 2, 0));
-assertEquals(38 + start_c, Debug.findFunctionSourcePosition(c, 3, 0));
-assertEquals(52 + start_c, Debug.findFunctionSourcePosition(c, 4, 0));
-assertEquals(69 + start_c, Debug.findFunctionSourcePosition(c, 5, 0));
-assertEquals(76 + start_c, Debug.findFunctionSourcePosition(c, 6, 0));
-
-// Test source line and restriction. All the following tests start from line 1
-// column 2 in function b, which is the call to c.
-//   c(true);
-//   ^
-
-var location;
-
-location = script.locationFromLine(1, 0, start_b);
-assertEquals('  c(true);', location.sourceText());
-
-result = ['c', ' c', ' c(', '  c(', '  c(t']
-for (var i = 1; i <= 5; i++) {
-  location = script.locationFromLine(1, 2, start_b);
-  location.restrict(i);
-  assertEquals(result[i - 1], location.sourceText());
-}
-
-location = script.locationFromLine(1, 2, start_b);
-location.restrict(1, 0);
-assertEquals('c', location.sourceText());
-
-location = script.locationFromLine(1, 2, start_b);
-location.restrict(2, 0);
-assertEquals('c(', location.sourceText());
-
-location = script.locationFromLine(1, 2, start_b);
-location.restrict(2, 1);
-assertEquals(' c', location.sourceText());
-
-location = script.locationFromLine(1, 2, start_b);
-location.restrict(2, 2);
-assertEquals(' c', location.sourceText());
-
-location = script.locationFromLine(1, 2, start_b);
-location.restrict(2, 3);
-assertEquals(' c', location.sourceText());
-
-location = script.locationFromLine(1, 2, start_b);
-location.restrict(3, 1);
-assertEquals(' c(', location.sourceText());
-
-location = script.locationFromLine(1, 2, start_b);
-location.restrict(5, 0);
-assertEquals('c(tru', location.sourceText());
-
-location = script.locationFromLine(1, 2, start_b);
-location.restrict(5, 2);
-assertEquals('  c(t', location.sourceText());
-
-location = script.locationFromLine(1, 2, start_b);
-location.restrict(5, 4);
-assertEquals('  c(t', location.sourceText());
-
-// All the following tests start from line 1 column 10 in function b, which is
-// the final character.
-//   c(true);
-//          ^
-
-location = script.locationFromLine(1, 10, start_b);
-location.restrict(5, 0);
-assertEquals('rue);', location.sourceText());
-
-location = script.locationFromLine(1, 10, start_b);
-location.restrict(7, 0);
-assertEquals('(true);', location.sourceText());
-
-// All the following tests start from line 1 column 0 in function b, which is
-// the first character.
-//   c(true);
-//^
-
-location = script.locationFromLine(1, 0, start_b);
-location.restrict(5, 0);
-assertEquals('  c(t', location.sourceText());
-
-location = script.locationFromLine(1, 0, start_b);
-location.restrict(5, 4);
-assertEquals('  c(t', location.sourceText());
-
-location = script.locationFromLine(1, 0, start_b);
-location.restrict(7, 0);
-assertEquals('  c(tru', location.sourceText());
-
-location = script.locationFromLine(1, 0, start_b);
-location.restrict(7, 6);
-assertEquals('  c(tru', location.sourceText());
+// Copyright 2008 Google Inc. All Rights Reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Flags: --expose-debug-as debug
+// For this test to work this file MUST have CR LF line endings.
+function a() { b(); };
+function    b() {
+  c(true);
+};
+  function c(x) {
+    if (x) {
+      return 1;
+    } else {
+      return 1;
+    }
+  };
+
+// Get the Debug object exposed from the debug context global object.
+Debug = debug.Debug
+
+// This is the number of comment lines above the first test function.
+var comment_lines = 29;
+
+// This magic number is the length or the first line comment (actually number
+// of characters before 'function a(...'.
+var comment_line_length = 1714;
+var start_a = 10 + comment_line_length;
+var start_b = 37 + comment_line_length;
+var start_c = 71 + comment_line_length;
+
+assertEquals(start_a, Debug.sourcePosition(a));
+assertEquals(start_b, Debug.sourcePosition(b));
+assertEquals(start_c, Debug.sourcePosition(c));
+
+var script = Debug.findScript(a);
+assertTrue(script.data === Debug.findScript(b).data);
+assertTrue(script.data === Debug.findScript(c).data);
+assertTrue(script.source === Debug.findScript(b).source);
+assertTrue(script.source === Debug.findScript(c).source);
+
+// Test that when running through source positions the position, line and
+// column progresses as expected.
+var position;
+var line;
+var column;
+for (var p = 0; p < 100; p++) {
+  var location = script.locationFromPosition(p);
+  if (p > 0) {
+    assertEquals(position + 1, location.position);
+    if (line == location.line) {
+      assertEquals(column + 1, location.column);
+    } else {
+      assertEquals(line + 1, location.line);
+      assertEquals(0, location.column);
+    }
+  } else {
+    assertEquals(0, location.position);
+    assertEquals(0, location.line);
+    assertEquals(0, location.column);
+  }
+
+  // Remember the location.
+  position = location.position;
+  line = location.line;
+  column = location.column;
+}
+
+// Test first position.
+assertEquals(0, script.locationFromPosition(0).position);
+assertEquals(0, script.locationFromPosition(0).line);
+assertEquals(0, script.locationFromPosition(0).column);
+
+// Test second position.
+assertEquals(1, script.locationFromPosition(1).position);
+assertEquals(0, script.locationFromPosition(1).line);
+assertEquals(1, script.locationFromPosition(1).column);
+
+// Test first position in finction a.
+assertEquals(start_a, script.locationFromPosition(start_a).position);
+assertEquals(0, script.locationFromPosition(start_a).line - comment_lines);
+assertEquals(10, script.locationFromPosition(start_a).column);
+
+// Test first position in finction b.
+assertEquals(start_b, script.locationFromPosition(start_b).position);
+assertEquals(1, script.locationFromPosition(start_b).line - comment_lines);
+assertEquals(13, script.locationFromPosition(start_b).column);
+
+// Test first position in finction b.
+assertEquals(start_c, script.locationFromPosition(start_c).position);
+assertEquals(4, script.locationFromPosition(start_c).line - comment_lines);
+assertEquals(12, script.locationFromPosition(start_c).column);
+
+// Test first line.
+assertEquals(0, script.locationFromLine().position);
+assertEquals(0, script.locationFromLine().line);
+assertEquals(0, script.locationFromLine().column);
+assertEquals(0, script.locationFromLine(0).position);
+assertEquals(0, script.locationFromLine(0).line);
+assertEquals(0, script.locationFromLine(0).column);
+
+// Test first line column 1
+assertEquals(1, script.locationFromLine(0, 1).position);
+assertEquals(0, script.locationFromLine(0, 1).line);
+assertEquals(1, script.locationFromLine(0, 1).column);
+
+// Test first line offset 1
+assertEquals(1, script.locationFromLine(0, 0, 1).position);
+assertEquals(0, script.locationFromLine(0, 0, 1).line);
+assertEquals(1, script.locationFromLine(0, 0, 1).column);
+
+// Test offset function a
+assertEquals(start_a, script.locationFromLine(void 0, void 0, start_a).position);
+assertEquals(0, script.locationFromLine(void 0, void 0, start_a).line - comment_lines);
+assertEquals(10, script.locationFromLine(void 0, void 0, start_a).column);
+assertEquals(start_a, script.locationFromLine(0, void 0, start_a).position);
+assertEquals(0, script.locationFromLine(0, void 0, start_a).line - comment_lines);
+assertEquals(10, script.locationFromLine(0, void 0, start_a).column);
+assertEquals(start_a, script.locationFromLine(0, 0, start_a).position);
+assertEquals(0, script.locationFromLine(0, 0, start_a).line - comment_lines);
+assertEquals(10, script.locationFromLine(0, 0, start_a).column);
+
+// Test second line offset function a
+assertEquals(start_a + 14, script.locationFromLine(1, 0, start_a).position);
+assertEquals(1, script.locationFromLine(1, 0, start_a).line - comment_lines);
+assertEquals(0, script.locationFromLine(1, 0, start_a).column);
+
+// Test second line column 2 offset function a
+assertEquals(start_a + 14 + 2, script.locationFromLine(1, 2, start_a).position);
+assertEquals(1, script.locationFromLine(1, 2, start_a).line - comment_lines);
+assertEquals(2, script.locationFromLine(1, 2, start_a).column);
+
+// Test offset function b
+assertEquals(start_b, script.locationFromLine(0, 0, start_b).position);
+assertEquals(1, script.locationFromLine(0, 0, start_b).line - comment_lines);
+assertEquals(13, script.locationFromLine(0, 0, start_b).column);
+
+// Test second line offset function b
+assertEquals(start_b + 6, script.locationFromLine(1, 0, start_b).position);
+assertEquals(2, script.locationFromLine(1, 0, start_b).line - comment_lines);
+assertEquals(0, script.locationFromLine(1, 0, start_b).column);
+
+// Test second line column 11 offset function b
+assertEquals(start_b + 6 + 11, script.locationFromLine(1, 11, start_b).position);
+assertEquals(2, script.locationFromLine(1, 11, start_b).line - comment_lines);
+assertEquals(11, script.locationFromLine(1, 11, start_b).column);
+
+// Test second line column 12 offset function b. Second line in b is 11 long
+// using column 12 wraps to next line.
+assertEquals(start_b + 6 + 12, script.locationFromLine(1, 12, start_b).position);
+assertEquals(3, script.locationFromLine(1, 12, start_b).line - comment_lines);
+assertEquals(0, script.locationFromLine(1, 12, start_b).column);
+
+// Test the Debug.findSourcePosition which wraps SourceManager.
+assertEquals(0 + start_a, Debug.findFunctionSourcePosition(a, 0, 0));
+assertEquals(0 + start_b, Debug.findFunctionSourcePosition(b, 0, 0));
+assertEquals(6 + start_b, Debug.findFunctionSourcePosition(b, 1, 0));
+assertEquals(8 + start_b, Debug.findFunctionSourcePosition(b, 1, 2));
+assertEquals(18 + start_b, Debug.findFunctionSourcePosition(b, 2, 0));
+assertEquals(0 + start_c, Debug.findFunctionSourcePosition(c, 0, 0));
+assertEquals(7 + start_c, Debug.findFunctionSourcePosition(c, 1, 0));
+assertEquals(21 + start_c, Debug.findFunctionSourcePosition(c, 2, 0));
+assertEquals(38 + start_c, Debug.findFunctionSourcePosition(c, 3, 0));
+assertEquals(52 + start_c, Debug.findFunctionSourcePosition(c, 4, 0));
+assertEquals(69 + start_c, Debug.findFunctionSourcePosition(c, 5, 0));
+assertEquals(76 + start_c, Debug.findFunctionSourcePosition(c, 6, 0));
+
+// Test source line and restriction. All the following tests start from line 1
+// column 2 in function b, which is the call to c.
+//   c(true);
+//   ^
+
+var location;
+
+location = script.locationFromLine(1, 0, start_b);
+assertEquals('  c(true);', location.sourceText());
+
+result = ['c', ' c', ' c(', '  c(', '  c(t']
+for (var i = 1; i <= 5; i++) {
+  location = script.locationFromLine(1, 2, start_b);
+  location.restrict(i);
+  assertEquals(result[i - 1], location.sourceText());
+}
+
+location = script.locationFromLine(1, 2, start_b);
+location.restrict(1, 0);
+assertEquals('c', location.sourceText());
+
+location = script.locationFromLine(1, 2, start_b);
+location.restrict(2, 0);
+assertEquals('c(', location.sourceText());
+
+location = script.locationFromLine(1, 2, start_b);
+location.restrict(2, 1);
+assertEquals(' c', location.sourceText());
+
+location = script.locationFromLine(1, 2, start_b);
+location.restrict(2, 2);
+assertEquals(' c', location.sourceText());
+
+location = script.locationFromLine(1, 2, start_b);
+location.restrict(2, 3);
+assertEquals(' c', location.sourceText());
+
+location = script.locationFromLine(1, 2, start_b);
+location.restrict(3, 1);
+assertEquals(' c(', location.sourceText());
+
+location = script.locationFromLine(1, 2, start_b);
+location.restrict(5, 0);
+assertEquals('c(tru', location.sourceText());
+
+location = script.locationFromLine(1, 2, start_b);
+location.restrict(5, 2);
+assertEquals('  c(t', location.sourceText());
+
+location = script.locationFromLine(1, 2, start_b);
+location.restrict(5, 4);
+assertEquals('  c(t', location.sourceText());
+
+// All the following tests start from line 1 column 10 in function b, which is
+// the final character.
+//   c(true);
+//          ^
+
+location = script.locationFromLine(1, 10, start_b);
+location.restrict(5, 0);
+assertEquals('rue);', location.sourceText());
+
+location = script.locationFromLine(1, 10, start_b);
+location.restrict(7, 0);
+assertEquals('(true);', location.sourceText());
+
+// All the following tests start from line 1 column 0 in function b, which is
+// the first character.
+//   c(true);
+//^
+
+location = script.locationFromLine(1, 0, start_b);
+location.restrict(5, 0);
+assertEquals('  c(t', location.sourceText());
+
+location = script.locationFromLine(1, 0, start_b);
+location.restrict(5, 4);
+assertEquals('  c(t', location.sourceText());
+
+location = script.locationFromLine(1, 0, start_b);
+location.restrict(7, 0);
+assertEquals('  c(tru', location.sourceText());
+
+location = script.locationFromLine(1, 0, start_b);
+location.restrict(7, 6);
+assertEquals('  c(tru', location.sourceText());
diff --git a/tools/test.py b/tools/test.py
old mode 100644
new mode 100755
index ed64dade21..95398e0c15
--- a/tools/test.py
+++ b/tools/test.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+#
 # Copyright 2008 Google Inc.  All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are