<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head><meta http-equiv="content-type" content="text/html; charset=utf-8" />
<title>[168104] branches/safari-537.76-branch</title>
</head>
<body>
<style type="text/css"><!--
#msg dl.meta { border: 1px #006 solid; background: #369; padding: 6px; color: #fff; }
#msg dl.meta dt { float: left; width: 6em; font-weight: bold; }
#msg dt:after { content:':';}
#msg dl, #msg dt, #msg ul, #msg li, #header, #footer, #logmsg { font-family: verdana,arial,helvetica,sans-serif; font-size: 10pt; }
#msg dl a { font-weight: bold}
#msg dl a:link { color:#fc3; }
#msg dl a:active { color:#ff0; }
#msg dl a:visited { color:#cc6; }
h3 { font-family: verdana,arial,helvetica,sans-serif; font-size: 10pt; font-weight: bold; }
#msg pre { overflow: auto; background: #ffc; border: 1px #fa0 solid; padding: 6px; }
#logmsg { background: #ffc; border: 1px #fa0 solid; padding: 1em 1em 0 1em; }
#logmsg p, #logmsg pre, #logmsg blockquote { margin: 0 0 1em 0; }
#logmsg p, #logmsg li, #logmsg dt, #logmsg dd { line-height: 14pt; }
#logmsg h1, #logmsg h2, #logmsg h3, #logmsg h4, #logmsg h5, #logmsg h6 { margin: .5em 0; }
#logmsg h1:first-child, #logmsg h2:first-child, #logmsg h3:first-child, #logmsg h4:first-child, #logmsg h5:first-child, #logmsg h6:first-child { margin-top: 0; }
#logmsg ul, #logmsg ol { padding: 0; list-style-position: inside; margin: 0 0 0 1em; }
#logmsg ul { text-indent: -1em; padding-left: 1em; }#logmsg ol { text-indent: -1.5em; padding-left: 1.5em; }
#logmsg > ul, #logmsg > ol { margin: 0 0 1em 0; }
#logmsg pre { background: #eee; padding: 1em; }
#logmsg blockquote { border: 1px solid #fa0; border-left-width: 10px; padding: 1em 1em 0 1em; background: white;}
#logmsg dl { margin: 0; }
#logmsg dt { font-weight: bold; }
#logmsg dd { margin: 0; padding: 0 0 0.5em 0; }
#logmsg dd:before { content:'\00bb';}
#logmsg table { border-spacing: 0px; border-collapse: collapse; border-top: 4px solid #fa0; border-bottom: 1px solid #fa0; background: #fff; }
#logmsg table th { text-align: left; font-weight: normal; padding: 0.2em 0.5em; border-top: 1px dotted #fa0; }
#logmsg table td { text-align: right; border-top: 1px dotted #fa0; padding: 0.2em 0.5em; }
#logmsg table thead th { text-align: center; border-bottom: 1px solid #fa0; }
#logmsg table th.Corner { text-align: left; }
#logmsg hr { border: none 0; border-top: 2px dashed #fa0; height: 1px; }
#header, #footer { color: #fff; background: #636; border: 1px #300 solid; padding: 6px; }
#patch { width: 100%; }
#patch h4 {font-family: verdana,arial,helvetica,sans-serif;font-size:10pt;padding:8px;background:#369;color:#fff;margin:0;}
#patch .propset h4, #patch .binary h4 {margin:0;}
#patch pre {padding:0;line-height:1.2em;margin:0;}
#patch .diff {width:100%;background:#eee;padding: 0 0 10px 0;overflow:auto;}
#patch .propset .diff, #patch .binary .diff {padding:10px 0;}
#patch span {display:block;padding:0 10px;}
#patch .modfile, #patch .addfile, #patch .delfile, #patch .propset, #patch .binary, #patch .copfile {border:1px solid #ccc;margin:10px 0;}
#patch ins {background:#dfd;text-decoration:none;display:block;padding:0 10px;}
#patch del {background:#fdd;text-decoration:none;display:block;padding:0 10px;}
#patch .lines, .info {color:#888;background:#fff;}
--></style>
<div id="msg">
<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/168104">168104</a></dd>
<dt>Author</dt> <dd>matthew_hanson@apple.com</dd>
<dt>Date</dt> <dd>2014-05-01 09:25:09 -0700 (Thu, 01 May 2014)</dd>
</dl>
<h3>Log Message</h3>
<pre>Merge <a href="http://trac.webkit.org/projects/webkit/changeset/166736">r166736</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branchessafari53776branchLayoutTestsChangeLog">branches/safari-537.76-branch/LayoutTests/ChangeLog</a></li>
<li><a href="#branchessafari53776branchSourceWebCoreChangeLog">branches/safari-537.76-branch/Source/WebCore/ChangeLog</a></li>
<li><a href="#branchessafari53776branchSourceWebCorerenderingRenderInlinecpp">branches/safari-537.76-branch/Source/WebCore/rendering/RenderInline.cpp</a></li>
</ul>
<h3>Added Paths</h3>
<ul>
<li><a href="#branchessafari53776branchLayoutTestsfastblockcontinuationcrashexpectedtxt">branches/safari-537.76-branch/LayoutTests/fast/block/continuation-crash-expected.txt</a></li>
<li><a href="#branchessafari53776branchLayoutTestsfastblockcontinuationcrashhtml">branches/safari-537.76-branch/LayoutTests/fast/block/continuation-crash.html</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="branchessafari53776branchLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: branches/safari-537.76-branch/LayoutTests/ChangeLog (168103 => 168104)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-537.76-branch/LayoutTests/ChangeLog 2014-05-01 16:06:02 UTC (rev 168103)
+++ branches/safari-537.76-branch/LayoutTests/ChangeLog 2014-05-01 16:25:09 UTC (rev 168104)
</span><span class="lines">@@ -1,5 +1,20 @@
</span><span class="cx"> 2014-05-01 Matthew Hanson <matthew_hanson@apple.com>
</span><span class="cx">
</span><ins>+ Merge r166736.
+
+ 2014-04-03 David Hyatt <hyatt@apple.com>
+
+ Continuations casting issue.
+ https://bugs.webkit.org/show_bug.cgi?id=130057
+ <rdar://problem/16283406>
+
+ Reviewed by Simon Fraser.
+
+ * fast/block/continuation-crash-expected.txt: Added.
+ * fast/block/continuation-crash.html: Added.
+
+2014-05-01 Matthew Hanson <matthew_hanson@apple.com>
+
</ins><span class="cx"> Merge r167480.
</span><span class="cx">
</span><span class="cx"> 2014-04-17 Darin Adler <darin@apple.com>
</span></span></pre></div>
<a id="branchessafari53776branchLayoutTestsfastblockcontinuationcrashexpectedtxtfromrev166736trunkLayoutTestsfastblockcontinuationcrashexpectedtxt"></a>
<div class="copfile"><h4>Copied: branches/safari-537.76-branch/LayoutTests/fast/block/continuation-crash-expected.txt (from rev 166736, trunk/LayoutTests/fast/block/continuation-crash-expected.txt) (0 => 168104)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-537.76-branch/LayoutTests/fast/block/continuation-crash-expected.txt (rev 0)
+++ branches/safari-537.76-branch/LayoutTests/fast/block/continuation-crash-expected.txt 2014-05-01 16:25:09 UTC (rev 168104)
</span><span class="lines">@@ -0,0 +1,2 @@
</span><ins>+This test passes if it does not crash.
+
</ins></span></pre></div>
<a id="branchessafari53776branchLayoutTestsfastblockcontinuationcrashhtmlfromrev166736trunkLayoutTestsfastblockcontinuationcrashhtml"></a>
<div class="copfile"><h4>Copied: branches/safari-537.76-branch/LayoutTests/fast/block/continuation-crash.html (from rev 166736, trunk/LayoutTests/fast/block/continuation-crash.html) (0 => 168104)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-537.76-branch/LayoutTests/fast/block/continuation-crash.html (rev 0)
+++ branches/safari-537.76-branch/LayoutTests/fast/block/continuation-crash.html 2014-05-01 16:25:09 UTC (rev 168104)
</span><span class="lines">@@ -0,0 +1,23 @@
</span><ins>+<style>
+#span2
+{ position: relative; }
+</style>
+ <script>
+function run() {
+ document.getElementById("span2").style.position = "static";
+}
+</script>
+<body>
+This test passes if it does not crash.
+<span id="span2">
+<div></div>
+<script>
+try {
+var x = window.getSelection();
+x.getRangeAt(document.body.appendChild(document.createElement("frame")).height);
+} catch (e) {}
+document.body.offsetWidth
+run()
+if (window.testRunner)
+ testRunner.dumpAsText()
+</script>
</ins><span class="cx">\ No newline at end of file
</span></span></pre></div>
<a id="branchessafari53776branchSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: branches/safari-537.76-branch/Source/WebCore/ChangeLog (168103 => 168104)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-537.76-branch/Source/WebCore/ChangeLog 2014-05-01 16:06:02 UTC (rev 168103)
+++ branches/safari-537.76-branch/Source/WebCore/ChangeLog 2014-05-01 16:25:09 UTC (rev 168104)
</span><span class="lines">@@ -1,5 +1,27 @@
</span><span class="cx"> 2014-05-01 Matthew Hanson <matthew_hanson@apple.com>
</span><span class="cx">
</span><ins>+ Merge r166736.
+
+ 2014-04-03 David Hyatt <hyatt@apple.com>
+
+ Continuations casting issue.
+ https://bugs.webkit.org/show_bug.cgi?id=130057
+ <rdar://problem/16283406>
+
+ Reviewed by Simon Fraser.
+
+ The code to update relative positioned anonymous block continuations should not
+ have assumed that all siblings were RenderBlocks. Make the code smarter and
+ make it bail when it hits something that isn't part of the block continuation
+ chain.
+
+ Added fast/block/continuation-crash.html
+
+ * rendering/RenderInline.cpp:
+ (WebCore::updateStyleOfAnonymousBlockContinuations):
+
+2014-05-01 Matthew Hanson <matthew_hanson@apple.com>
+
</ins><span class="cx"> Merge r167480.
</span><span class="cx">
</span><span class="cx"> 2014-04-17 Darin Adler <darin@apple.com>
</span></span></pre></div>
<a id="branchessafari53776branchSourceWebCorerenderingRenderInlinecpp"></a>
<div class="modfile"><h4>Modified: branches/safari-537.76-branch/Source/WebCore/rendering/RenderInline.cpp (168103 => 168104)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-537.76-branch/Source/WebCore/rendering/RenderInline.cpp 2014-05-01 16:06:02 UTC (rev 168103)
+++ branches/safari-537.76-branch/Source/WebCore/rendering/RenderInline.cpp 2014-05-01 16:25:09 UTC (rev 168104)
</span><span class="lines">@@ -151,14 +151,22 @@
</span><span class="cx"> return 0;
</span><span class="cx"> }
</span><span class="cx">
</span><del>-static void updateStyleOfAnonymousBlockContinuations(RenderObject* block, const RenderStyle* newStyle, const RenderStyle* oldStyle)
</del><ins>+static void updateStyleOfAnonymousBlockContinuations(RenderObject* box, const RenderStyle* newStyle, const RenderStyle* oldStyle)
</ins><span class="cx"> {
</span><del>- for (;block && block->isAnonymousBlock(); block = block->nextSibling()) {
- if (!toRenderBlock(block)->isAnonymousBlockContinuation() || block->style()->position() == newStyle->position())
</del><ins>+ for (;box && box->isAnonymousBlock(); box = box->nextSibling()) {
+ if (box->style()->position() == newStyle->position())
</ins><span class="cx"> continue;
</span><ins>+
+ if (!box->isRenderBlock())
+ break; // We're done if we ever encounter something other than a RenderBlock.
+
+ RenderBlock* block = toRenderBlock(box);
+ if (!block->isAnonymousBlockContinuation())
+ break; // We're done if we ever encounter something other than a continuation RenderBlock.
+
</ins><span class="cx"> // If we are no longer in-flow positioned but our descendant block(s) still have an in-flow positioned ancestor then
</span><span class="cx"> // their containing anonymous block should keep its in-flow positioning.
</span><del>- RenderInline* cont = toRenderBlock(block)->inlineElementContinuation();
</del><ins>+ RenderInline* cont = toRenderBlock(box)->inlineElementContinuation();
</ins><span class="cx"> if (oldStyle->hasInFlowPosition() && inFlowPositionedInlineAncestor(cont))
</span><span class="cx"> continue;
</span><span class="cx"> RefPtr<RenderStyle> blockStyle = RenderStyle::createAnonymousStyleWithDisplay(block->style(), BLOCK);
</span></span></pre>
</div>
</div>
</body>
</html>