2008-05-13  John Sullivan  <sullivan@apple.com>

        Reviewed by Dan Bernstein and Kevin Decker
        
        - fixed <rdar://problem/5879597> reproducible crash in HTMLSelectElement::typeAheadFind

        Test: fast/forms/select-type-ahead-list-box-no-selection.html

        * html/HTMLSelectElement.cpp:
        (WebCore::HTMLSelectElement::typeAheadFind):
        When there's no initially-selected element, we were accessing index -1. Check for this
        case and start at 0.

LayoutTests:

2008-05-13  John Sullivan  <sullivan@apple.com>

        Reviewed by Justin Garcia and Tim Hatcher
        
        <rdar://problem/5879597> reproducible crash in HTMLSelectElement::typeAheadFind

        * fast/forms/select-type-ahead-list-box-no-selection-expected.txt: Added.
        * fast/forms/select-type-ahead-list-box-no-selection.html: Added.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@33392 268f45cc-cd09-0410-ab3c-d52691b4dbfc