[Webkit-unassigned] [Bug 229666] [CSS Cascade Layers] Compute order correctly for late added sublayers

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=229666

--- Comment #5 from Antti Koivisto <koivisto at iki.fi> ---
> > Source/WebCore/style/RuleSet.h:193
> > +    CascadeLayer& cascadeLayerForIdentifier(CascadeLayerIdentifier identifier) { return m_cascadeLayers[identifier - 1]; }
> > +    const CascadeLayer& cascadeLayerForIdentifier(CascadeLayerIdentifier identifier) const { return m_cascadeLayers[identifier - 1]; }
> 
> Maybe assert that identifier != 0

Didn't seem necessary since vector asserts against overflow.

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