Found while fuzzing m-c 20220105-138105a14659 (--enable-debug --enable-fuzzing)

To reproduce via Grizzly Replay:

$ pip install fuzzfetch grizzly-framework
$ python -m fuzzfetch -d --fuzzing -n firefox
$ python -m grizzly.replay ./firefox/firefox testcase.zip

LQC Signature: word-spacing

LQC Results:
Conflicting dimensions for element one<div>
    Dimensions after reload: {"right":1017.9833374023438,"width":1009.9833374023438}
    Dimensions after modify: {"right":1043.066650390625,"width":1035.066650390625}
END of LQC Results
CSS Styles Used: {
    "base_styles": [
        "background-color",
        "min-height",
        "min-width",
        "white-space",
        "width"
    ],
    "modified_styles": [
        "word-spacing"
    ]
}

If a Pernosco session would be helpful please ni? :tsmith.

Bugmon Analysis
Unable to reproduce bug 1748935 using build mozilla-central 20220105170324-138105a14659. Without a baseline, bugmon is unable to analyze this bug.
Removing bugmon keyword as no further action possible. Please review the bug and re-add the keyword for further analysis.

The severity field is not set for this bug.
:TYLin, could you have a look please?

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