WebCore:

WebCore:

        Reviewed by Dave Hyatt.

        - fix <rdar://problem/5612459> CrashTracer: [REGRESSION] 61 crashes in Safari at com.apple.WebCore: WebCore::AutoTableLayout::layout + 2046

        Test: fast/table/empty-auto-column-zero-divide.html

        * rendering/AutoTableLayout.cpp:
        (WebCore::AutoTableLayout::recalcColumn):
        (WebCore::AutoTableLayout::fullRecalc):
        (WebCore::AutoTableLayout::calcEffectiveWidth):
        (WebCore::AutoTableLayout::layout): When distributing the remaining
        width among columns, skip those whose effective (rather than
        specified) width is auto and contain only empty cells.

LayoutTests:

        Reviewed by Dave Hyatt.

        - test for <rdar://problem/5612459> CrashTracer: [REGRESSION] 61 crashes in Safari at com.apple.WebCore: WebCore::AutoTableLayout::layout + 2046

        * fast/table/empty-auto-column-zero-divide-expected.txt: Added.
        * fast/table/empty-auto-column-zero-divide.html: Added.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@28118 268f45cc-cd09-0410-ab3c-d52691b4dbfc