Capture register clearing on loop iteration

test/mjsunit/bugs/bug-176.js

Index: test/mjsunit/bugs/bug-176.js
diff --git a/test/mjsunit/bugs/bug-176.js b/test/mjsunit/bugs/bug-176.js
deleted file mode 100644
index b2048124687a7fe58b4d8f2907ca9e5a2f9d1a7f..0000000000000000000000000000000000000000
--- a/test/mjsunit/bugs/bug-176.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// Copyright 2008 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.
-
-// See http://code.google.com/p/v8/issues/detail?id=176
-
-assertEquals("f,",
-             "foo".match(/(?:(?=(f)o))?f/).toString(),
-             "zero length match in (?:) with capture in lookahead");
-assertEquals("f,",
-             "foo".match(/(?=(f)o)?f/).toString(),
-             "zero length match in (?=) with capture in lookahead");
-assertEquals("fo,f",
-             "foo".match(/(?:(?=(f)o)f)?o/),
-             "non-zero length match with capture in lookahead");
-assertEquals("fo,f",
-             "foo".match(/(?:(?=(f)o)f?)?o/),
-             "non-zero length match with greedy ? in (?:)");
-assertEquals("fo,f",
-             "foo".match(/(?:(?=(f)o)f??)?o/),
-             "non-zero length match with non-greedy ? in (?:), o forces backtrack");
-assertEquals("fo,f",
-             "foo".match(/(?:(?=(f)o)f??)?./),
-             "non-zero length match with non-greedy ? in (?:), zero length match causes backtrack");
-assertEquals("f,",
-             "foo".match(/(?:(?=(f)o)fx)?./),
-             "x causes backtrack inside (?:)");