Revision: 11779
Author:   [email protected]
Date:     Tue Jun 12 08:42:38 2012
Log: Backport r11754. Fix optimization of Unicode regexp with ASCII subject to respect repeat counts.
bug=131923
Originally http://codereview.chromium.org/10544093
Review URL: https://chromiumcodereview.appspot.com/10537125
http://code.google.com/p/v8/source/detail?r=11779

Added:
 /branches/3.10/test/mjsunit/regress/regress-131923.js
Modified:
 /branches/3.10/src/jsregexp.cc
 /branches/3.10/src/version.cc

=======================================
--- /dev/null
+++ /branches/3.10/test/mjsunit/regress/regress-131923.js Tue Jun 12 08:42:38 2012
@@ -0,0 +1,30 @@
+// Copyright 2012 the V8 project authors. 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.
+
+assertFalse(/\u9999{4}/.test(""));
+assertTrue(/\u9999{0,4}/.test(""));
+assertFalse(/\u9999{4,}/.test(""));
=======================================
--- /branches/3.10/src/jsregexp.cc      Tue Jun  5 01:06:18 2012
+++ /branches/3.10/src/jsregexp.cc      Tue Jun 12 08:42:38 2012
@@ -2723,6 +2723,15 @@
   if (info()->visited) return this;
   VisitMarker marker(info());
   int choice_count = alternatives_->length();
+
+  for (int i = 0; i < choice_count; i++) {
+    GuardedAlternative alternative = alternatives_->at(i);
+ if (alternative.guards() != NULL && alternative.guards()->length() != 0) {
+      set_replacement(this);
+      return this;
+    }
+  }
+
   int surviving = 0;
   RegExpNode* survivor = NULL;
   for (int i = 0; i < choice_count; i++) {
=======================================
--- /branches/3.10/src/version.cc       Fri Jun  8 07:20:19 2012
+++ /branches/3.10/src/version.cc       Tue Jun 12 08:42:38 2012
@@ -35,7 +35,7 @@
 #define MAJOR_VERSION     3
 #define MINOR_VERSION     10
 #define BUILD_NUMBER      8
-#define PATCH_LEVEL       15
+#define PATCH_LEVEL       16
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)
 #define IS_CANDIDATE_VERSION 0

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