[Webkit-unassigned] [Bug 102116] ASSERT_NOT_REACHED() when building a CSSOM wrapper for StyleRuleHost

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=102116


Alexander Pavlov (apavlov) <apavlov at chromium.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Web Inspector: crash upon   |ASSERT_NOT_REACHED() when
                   |inspection                  |building a CSSOM wrapper
                   |                            |for StyleRuleHost
             Status|NEW                         |ASSIGNED
           Severity|Normal                      |Major
           Priority|P2                          |P1
         AssignedTo|webkit-unassigned at lists.web |tasak at google.com
                   |kit.org                     |
                 CC|                            |tasak at google.com




--- Comment #1 from Alexander Pavlov (apavlov) <apavlov at chromium.org>  2012-11-14 00:26:50 PST ---
The crash occurs on StyleRule.cpp:229 (ASSERT_NOT_REACHED()) for StyleRuleHost ("case Host:") introduced in r132618. IMO the code is wrong, and a new type of a CSSOM wrapper (CSSHostRule?) should be returned instead of calling ASSERT_NOT_REACHED() in this case.

This crash will also occur on any CSSOM operations involving rules of a stylesheet with @host rules (resulting in building CSSOM wrappers for all stylesheet rules), so should be fixed sooner rather than later.

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