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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - REGRESSION(r203289): Debug Assertion in Wikipedia Page"
href="https://bugs.webkit.org/show_bug.cgi?id=162933">162933</a>
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<th>Summary</th>
<td>REGRESSION(r203289): Debug Assertion in Wikipedia Page
</td>
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<th>Classification</th>
<td>Unclassified
</td>
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<th>Product</th>
<td>WebKit
</td>
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<th>Version</th>
<td>WebKit Nightly Build
</td>
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<th>Hardware</th>
<td>All
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<th>OS</th>
<td>All
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>Normal
</td>
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<th>Priority</th>
<td>P2
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<th>Component</th>
<td>Layout and Rendering
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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<th>Reporter</th>
<td>bfulgham@webkit.org
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<th>CC</th>
<td>simon.fraser@apple.com
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<p>
<div>
<pre>Visit the Wikipedia page for Levenshtein Distance in a debug build of WebKit:
<a href="https://en.wikipedia.org/wiki/Levenshtein_distance">https://en.wikipedia.org/wiki/Levenshtein_distance</a>
This triggers the following assertion:
void MathOperator::stretchTo(const RenderStyle& style, LayoutUnit targetSize)
{
ASSERT(m_operatorType == Type::VerticalOperator || m_operatorType == Type::HorizontalOperator);
calculateStretchyData(style, false, targetSize);
if (m_stretchType == StretchType::GlyphAssembly) {
The assertion fires because we are attempting to apply the 'stretchTo' operation on a "NormalOperator" type.</pre>
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