JavaScriptCore:

JavaScriptCore:

        Reviewed by Eric Seidel.

        - fix http://bugs.webkit.org/show_bug.cgi?id=16321
          new RegExp("[\u0097]{4,6}", "gmy") crashes in DEBUG builds
          <rdar://problem/5632992>

        Test: fast/js/regexp-oveflow.html

        * pcre/pcre_compile.cpp:
        (calculateCompiledPatternLengthAndFlags): In the case where a single character
        character class is optimized to not use a character class at all, the preflight
        code was not setting the lastitemlength variable.

LayoutTests:

        Reviewed by Eric Seidel.

        - fix http://bugs.webkit.org/show_bug.cgi?id=16321
          new RegExp("[\u0097]{4,6}", "gmy") crashes in DEBUG builds
          <rdar://problem/5632992>

        * fast/js/regexp-overflow-expected.txt: Updated.
        * fast/js/resources/regexp-overflow.js: Added test.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@28491 268f45cc-cd09-0410-ab3c-d52691b4dbfc