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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/205439">205439</a></dd>
<dt>Author</dt> <dd>carlosgc@webkit.org</dd>
<dt>Date</dt> <dd>2016-09-05 02:17:09 -0700 (Mon, 05 Sep 2016)</dd>
</dl>

<h3>Log Message</h3>
<pre>Merge <a href="http://trac.webkit.org/projects/webkit/changeset/204951">r204951</a> - ASSERTION FAILED: contentSize &gt;= 0 in WebCore::RenderFlexibleBox::adjustChildSizeForMinAndMax
https://bugs.webkit.org/show_bug.cgi?id=155700
&lt;rdar://problem/27720727&gt;

Reviewed by David Hyatt.

Source/WebCore:

RenderBox::m_minPreferredLogicalWidth/m_maxPreferredLogicalWidth don't need special initial value since
preferredLogicalWidthsDirty flag guards them. -1 as initial value can cause problems for renderers that don't
override RenderBox::computePreferredLogicalWidths().

Test: fast/ruby/assert-when-content-size-is-negative.html

* rendering/RenderBox.cpp:
(WebCore::RenderBox::RenderBox):
(WebCore::RenderBox::dirtyLineBoxes):
(WebCore::RenderBox::deleteLineBoxWrapper):
* rendering/RenderBox.h:

LayoutTests:

* fast/ruby/assert-when-content-size-is-negative-expected.txt: Added.
* fast/ruby/assert-when-content-size-is-negative.html: Added.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#releasesWebKitGTKwebkit212LayoutTestsChangeLog">releases/WebKitGTK/webkit-2.12/LayoutTests/ChangeLog</a></li>
<li><a href="#releasesWebKitGTKwebkit212SourceWebCoreChangeLog">releases/WebKitGTK/webkit-2.12/Source/WebCore/ChangeLog</a></li>
<li><a href="#releasesWebKitGTKwebkit212SourceWebCorerenderingRenderBoxcpp">releases/WebKitGTK/webkit-2.12/Source/WebCore/rendering/RenderBox.cpp</a></li>
<li><a href="#releasesWebKitGTKwebkit212SourceWebCorerenderingRenderBoxh">releases/WebKitGTK/webkit-2.12/Source/WebCore/rendering/RenderBox.h</a></li>
</ul>

<h3>Added Paths</h3>
<ul>
<li><a href="#releasesWebKitGTKwebkit212LayoutTestsfastrubyassertwhencontentsizeisnegativeexpectedtxt">releases/WebKitGTK/webkit-2.12/LayoutTests/fast/ruby/assert-when-content-size-is-negative-expected.txt</a></li>
<li><a href="#releasesWebKitGTKwebkit212LayoutTestsfastrubyassertwhencontentsizeisnegativehtml">releases/WebKitGTK/webkit-2.12/LayoutTests/fast/ruby/assert-when-content-size-is-negative.html</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="releasesWebKitGTKwebkit212LayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.12/LayoutTests/ChangeLog (205438 => 205439)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.12/LayoutTests/ChangeLog        2016-09-05 09:09:52 UTC (rev 205438)
+++ releases/WebKitGTK/webkit-2.12/LayoutTests/ChangeLog        2016-09-05 09:17:09 UTC (rev 205439)
</span><span class="lines">@@ -1,5 +1,16 @@
</span><span class="cx"> 2016-08-24  Zalan Bujtas  &lt;zalan@apple.com&gt;
</span><span class="cx"> 
</span><ins>+        ASSERTION FAILED: contentSize &gt;= 0 in WebCore::RenderFlexibleBox::adjustChildSizeForMinAndMax
+        https://bugs.webkit.org/show_bug.cgi?id=155700
+        &lt;rdar://problem/27720727&gt;
+
+        Reviewed by David Hyatt.
+
+        * fast/ruby/assert-when-content-size-is-negative-expected.txt: Added.
+        * fast/ruby/assert-when-content-size-is-negative.html: Added.
+
+2016-08-24  Zalan Bujtas  &lt;zalan@apple.com&gt;
+
</ins><span class="cx">         ASSERTION FAILED: childrenInline() in WebCore::RenderBlockFlow::hasLines
</span><span class="cx">         https://bugs.webkit.org/show_bug.cgi?id=139396
</span><span class="cx">         &lt;rdar://problem/27704339&gt;
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit212LayoutTestsfastrubyassertwhencontentsizeisnegativeexpectedtxt"></a>
<div class="addfile"><h4>Added: releases/WebKitGTK/webkit-2.12/LayoutTests/fast/ruby/assert-when-content-size-is-negative-expected.txt (0 => 205439)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.12/LayoutTests/fast/ruby/assert-when-content-size-is-negative-expected.txt                                (rev 0)
+++ releases/WebKitGTK/webkit-2.12/LayoutTests/fast/ruby/assert-when-content-size-is-negative-expected.txt        2016-09-05 09:17:09 UTC (rev 205439)
</span><span class="lines">@@ -0,0 +1,4 @@
</span><ins>+This tests that inline does not assert when its composite state changes.
+if (window.testRunner) testRunner.dumpAsText();
+* { display: inline-flex; flex-basis: 1; }
+PASS if no assert in debug.
</ins></span></pre></div>
<a id="releasesWebKitGTKwebkit212LayoutTestsfastrubyassertwhencontentsizeisnegativehtml"></a>
<div class="addfile"><h4>Added: releases/WebKitGTK/webkit-2.12/LayoutTests/fast/ruby/assert-when-content-size-is-negative.html (0 => 205439)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.12/LayoutTests/fast/ruby/assert-when-content-size-is-negative.html                                (rev 0)
+++ releases/WebKitGTK/webkit-2.12/LayoutTests/fast/ruby/assert-when-content-size-is-negative.html        2016-09-05 09:17:09 UTC (rev 205439)
</span><span class="lines">@@ -0,0 +1,20 @@
</span><ins>+&lt;!DOCTYPE html&gt;
+&lt;html&gt;
+&lt;head&gt;
+&lt;title&gt;This tests that inline does not assert when its composite state changes.&lt;/title&gt;
+&lt;script&gt;
+if (window.testRunner)
+    testRunner.dumpAsText();
+&lt;/script&gt;
+&lt;style&gt;
+* {
+    display: inline-flex;
+    flex-basis: 1;
+}
+&lt;/style&gt;
+&lt;/head&gt;
+&lt;body&gt;
+PASS if no assert in debug.
+&lt;frameset&gt;&lt;/frameset&gt;
+&lt;/body&gt;
+&lt;/html&gt;
</ins></span></pre></div>
<a id="releasesWebKitGTKwebkit212SourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.12/Source/WebCore/ChangeLog (205438 => 205439)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.12/Source/WebCore/ChangeLog        2016-09-05 09:09:52 UTC (rev 205438)
+++ releases/WebKitGTK/webkit-2.12/Source/WebCore/ChangeLog        2016-09-05 09:17:09 UTC (rev 205439)
</span><span class="lines">@@ -1,5 +1,25 @@
</span><span class="cx"> 2016-08-24  Zalan Bujtas  &lt;zalan@apple.com&gt;
</span><span class="cx"> 
</span><ins>+        ASSERTION FAILED: contentSize &gt;= 0 in WebCore::RenderFlexibleBox::adjustChildSizeForMinAndMax
+        https://bugs.webkit.org/show_bug.cgi?id=155700
+        &lt;rdar://problem/27720727&gt;
+
+        Reviewed by David Hyatt.
+
+        RenderBox::m_minPreferredLogicalWidth/m_maxPreferredLogicalWidth don't need special initial value since
+        preferredLogicalWidthsDirty flag guards them. -1 as initial value can cause problems for renderers that don't
+        override RenderBox::computePreferredLogicalWidths().    
+
+        Test: fast/ruby/assert-when-content-size-is-negative.html
+
+        * rendering/RenderBox.cpp:
+        (WebCore::RenderBox::RenderBox):
+        (WebCore::RenderBox::dirtyLineBoxes):
+        (WebCore::RenderBox::deleteLineBoxWrapper):
+        * rendering/RenderBox.h:
+
+2016-08-24  Zalan Bujtas  &lt;zalan@apple.com&gt;
+
</ins><span class="cx">         ASSERTION FAILED: childrenInline() in WebCore::RenderBlockFlow::hasLines
</span><span class="cx">         https://bugs.webkit.org/show_bug.cgi?id=139396
</span><span class="cx">         &lt;rdar://problem/27704339&gt;
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit212SourceWebCorerenderingRenderBoxcpp"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.12/Source/WebCore/rendering/RenderBox.cpp (205438 => 205439)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.12/Source/WebCore/rendering/RenderBox.cpp        2016-09-05 09:09:52 UTC (rev 205438)
+++ releases/WebKitGTK/webkit-2.12/Source/WebCore/rendering/RenderBox.cpp        2016-09-05 09:17:09 UTC (rev 205439)
</span><span class="lines">@@ -120,9 +120,6 @@
</span><span class="cx"> 
</span><span class="cx"> RenderBox::RenderBox(Element&amp; element, Ref&lt;RenderStyle&gt;&amp;&amp; style, BaseTypeFlags baseTypeFlags)
</span><span class="cx">     : RenderBoxModelObject(element, WTFMove(style), baseTypeFlags)
</span><del>-    , m_minPreferredLogicalWidth(-1)
-    , m_maxPreferredLogicalWidth(-1)
-    , m_inlineBoxWrapper(nullptr)
</del><span class="cx"> {
</span><span class="cx">     setIsBox();
</span><span class="cx"> }
</span><span class="lines">@@ -129,9 +126,6 @@
</span><span class="cx"> 
</span><span class="cx"> RenderBox::RenderBox(Document&amp; document, Ref&lt;RenderStyle&gt;&amp;&amp; style, BaseTypeFlags baseTypeFlags)
</span><span class="cx">     : RenderBoxModelObject(document, WTFMove(style), baseTypeFlags)
</span><del>-    , m_minPreferredLogicalWidth(-1)
-    , m_maxPreferredLogicalWidth(-1)
-    , m_inlineBoxWrapper(nullptr)
</del><span class="cx"> {
</span><span class="cx">     setIsBox();
</span><span class="cx"> }
</span><span class="lines">@@ -2123,13 +2117,14 @@
</span><span class="cx"> 
</span><span class="cx"> void RenderBox::dirtyLineBoxes(bool fullLayout)
</span><span class="cx"> {
</span><del>-    if (m_inlineBoxWrapper) {
-        if (fullLayout) {
-            delete m_inlineBoxWrapper;
-            m_inlineBoxWrapper = nullptr;
-        } else
-            m_inlineBoxWrapper-&gt;dirtyLineBoxes();
-    }
</del><ins>+    if (!m_inlineBoxWrapper)
+        return;
+    
+    if (fullLayout) {
+        delete m_inlineBoxWrapper;
+        m_inlineBoxWrapper = nullptr;
+    } else
+        m_inlineBoxWrapper-&gt;dirtyLineBoxes();
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void RenderBox::positionLineBox(InlineElementBox&amp; box)
</span><span class="lines">@@ -2165,12 +2160,13 @@
</span><span class="cx"> 
</span><span class="cx"> void RenderBox::deleteLineBoxWrapper()
</span><span class="cx"> {
</span><del>-    if (m_inlineBoxWrapper) {
-        if (!documentBeingDestroyed())
-            m_inlineBoxWrapper-&gt;removeFromParent();
-        delete m_inlineBoxWrapper;
-        m_inlineBoxWrapper = nullptr;
-    }
</del><ins>+    if (!m_inlineBoxWrapper)
+        return;
+    
+    if (!documentBeingDestroyed())
+        m_inlineBoxWrapper-&gt;removeFromParent();
+    delete m_inlineBoxWrapper;
+    m_inlineBoxWrapper = nullptr;
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> LayoutRect RenderBox::clippedOverflowRectForRepaint(const RenderLayerModelObject* repaintContainer) const
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit212SourceWebCorerenderingRenderBoxh"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.12/Source/WebCore/rendering/RenderBox.h (205438 => 205439)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.12/Source/WebCore/rendering/RenderBox.h        2016-09-05 09:09:52 UTC (rev 205438)
+++ releases/WebKitGTK/webkit-2.12/Source/WebCore/rendering/RenderBox.h        2016-09-05 09:17:09 UTC (rev 205439)
</span><span class="lines">@@ -740,7 +740,7 @@
</span><span class="cx">     LayoutUnit m_maxPreferredLogicalWidth;
</span><span class="cx"> 
</span><span class="cx">     // For inline replaced elements, the inline box that owns us.
</span><del>-    InlineElementBox* m_inlineBoxWrapper;
</del><ins>+    InlineElementBox* m_inlineBoxWrapper { nullptr };
</ins><span class="cx"> 
</span><span class="cx">     // Our overflow information.
</span><span class="cx">     RefPtr&lt;RenderOverflow&gt; m_overflow;
</span></span></pre>
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