[Webkit-unassigned] [Bug 260220] parent-style-relative-units.html crashes due to unhandled CSS_LHS

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=260220

--- Comment #2 from Ben Schwartz <ben_schwartz at apple.com> ---
Here's the bot-watcher check-in that I created, for reference.
____

imported/w3c/web-platform-tests/html/canvas/element/text/parent-style-relative-units.html

This test is a constant crash on debug builds, all platforms.

HISTORY:

https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fcanvas%2Felement%2Ftext%2Fparent-style-relative-units.html

CRASH LOG / STDERR TEXT (sample):

SHOULD NEVER BE REACHED
/Volumes/Data/worker/Apple-Ventura-Debug-Build/build/Source/WebCore/css/CSSPrimitiveValue.cpp(712) : static double WebCore::CSSPrimitiveValue::computeUnzoomedNonCalcLengthDouble(WebCore::CSSUnitType, double, WebCore::CSSPropertyID, const WebCore::FontMetrics *, const WebCore::FontCascadeDescription *, const WebCore::FontCascadeDescription *, const WebCore::RenderView *)
1   0x1188e51d8 WTFCrash
2   0x1259ea380 WebCore::NetworkResourcesData::ResourceData::hasContent() const
3   0x124c86980 WebCore::CSSPrimitiveValue::computeUnzoomedNonCalcLengthDouble(WebCore::CSSUnitType, double, WebCore::CSSPropertyID, WebCore::FontMetrics const*, WebCore::FontCascadeDescription const*, WebCore::FontCascadeDescription const*, WebCore::RenderView const*)
...

CRASH LOG URL:

https://build.webkit.org/results/Apple-Ventura-Debug-AppleSilicon-WK1-Tests/266915@main%20(3181)/imported/w3c/web-platform-tests/html/canvas/element/text/parent-style-relative-units-crash-log.txt

REPRODUCIBILITY:

I was able to reproduce this bug on macOS Ventura wk2 debug ToT running the test as follows:

run-webkit-tests --debug --iterations 5 --verbose imported/w3c/web-platform-tests/html/canvas/element/text/parent-style-relative-units.html

REGRESSION:

This bug started with a WPT test import batch at 266711 at main.

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