[webkit-qt] CSSDefaultStyleSheets::defaultStyle

[Andrew Webster]

> 24.11.2017, 05:41, "Andrew Webster" <awebster at arcx.com>:
>>>>  I ran into an ASSERT in ElementRuleCollector::collectMatchingRules (ASSERT(matchRequest.ruleSet)). When ignored, it seg faults.
>>>>
>>>>  The root cause is that ElementRuleCollector::matchUARules and CSSDefaultStyleSheets::initDefaultStyle disagree about the location of CSSDefaultStyleSheets::defaultStyle.
>>>>  Although CSSDefaultStyleSheets::initDefaultStyle has properly created CSSDefaultStyleSheets::defaultStyle, ElementRuleCollector::matchUARules looks in a different location and ends up with a nullptr.
>>>>
>>>>  Adding WEBCORE_EXPORT to the declaration of CSSDefaultStyleSheets::defaultStyle fixes this. Does anyone have any thoughts on why this might be?
>>>>
>>>>  GCC 6.2.1 for arm32v7.
>>>
>>> Are you using static build of QtWebKit by chance?
>>
>> Qt5WebKit.so and Qt5WebKitWidgets.so
>
> Is value of &CSSDefaultStyleSheets::defaultStyle different in ElementRuleCollector::matchUARules and CSSDefaultStyleSheets::initDefaultStyle?
>

That's right. But once I add the EXPORT, the address is the same.

>>
>>>>  Thanks,
>>>>
>>>>  Andrew
>>>  --
>>>  Regards,
>>>  Konstantin
>
> --
> Regards,
> Konstantin