[Webkit-unassigned] [Bug 62942] [GTK] ASSERTION FAILED: it != gFontDataCache->end() in FontCache.cpp:318

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Sun Jun 19 12:29:33 PDT 2011


https://bugs.webkit.org/show_bug.cgi?id=62942





--- Comment #2 from Xan Lopez <xan.lopez at gmail.com>  2011-06-19 12:29:33 PST ---
And probably related too:


Program received signal SIGSEGV, Segmentation fault.
0x00007ffff55b591b in WTF::HashTable<WebCore::FontPlatformData, std::pair<WebCore::FontPlatformData, std::pair<WebCore::SimpleFontData*, unsigned int> >, WTF::PairFirstExtractor<std::pair<WebCore::FontPlatformData, std::pair<WebCore::SimpleFontData*, unsigned int> > >, WebCore::FontDataCacheKeyHash, WTF::PairHashTraits<WebCore::FontDataCacheKeyTraits, WTF::HashTraits<std::pair<WebCore::SimpleFontData*, unsigned int> > >, WebCore::FontDataCacheKeyTraits>::reinsert (this=0x1d86f10, entry=...) at ../../Source/JavaScriptCore/wtf/HashTable.h:762
762            ASSERT(!lookupForWriting(Extractor::extract(entry)).second);
(gdb) bt
#0  0x00007ffff55b591b in WTF::HashTable<WebCore::FontPlatformData, std::pair<WebCore::FontPlatformData, std::pair<WebCore::SimpleFontData*, unsigned int> >, WTF::PairFirstExtractor<std::pair<WebCore::FontPlatformData, std::pair<WebCore::SimpleFontData*, unsigned int> > >, WebCore::FontDataCacheKeyHash, WTF::PairHashTraits<WebCore::FontDataCacheKeyTraits, WTF::HashTraits<std::pair<WebCore::SimpleFontData*, unsigned int> > >, WebCore::FontDataCacheKeyTraits>::reinsert (this=0x1d86f10, entry=...) at ../../Source/JavaScriptCore/wtf/HashTable.h:762
#1  0x00007ffff55b48c3 in WTF::HashTable<WebCore::FontPlatformData, std::pair<WebCore::FontPlatformData, std::pair<WebCore::SimpleFontData*, unsigned int> >, WTF::PairFirstExtractor<std::pair<WebCore::FontPlatformData, std::pair<WebCore::SimpleFontData*, unsigned int> > >, WebCore::FontDataCacheKeyHash, WTF::PairHashTraits<WebCore::FontDataCacheKeyTraits, WTF::HashTraits<std::pair<WebCore::SimpleFontData*, unsigned int> > >, WebCore::FontDataCacheKeyTraits>::rehash (this=0x1d86f10, newTableSize=512) at ../../Source/JavaScriptCore/wtf/HashTable.h:932
#2  0x00007ffff55b3241 in WTF::HashTable<WebCore::FontPlatformData, std::pair<WebCore::FontPlatformData, std::pair<WebCore::SimpleFontData*, unsigned int> >, WTF::PairFirstExtractor<std::pair<WebCore::FontPlatformData, std::pair<WebCore::SimpleFontData*, unsigned int> > >, WebCore::FontDataCacheKeyHash, WTF::PairHashTraits<WebCore::FontDataCacheKeyTraits, WTF::HashTraits<std::pair<WebCore::SimpleFontData*, unsigned int> > >, WebCore::FontDataCacheKeyTraits>::expand (this=0x1d86f10) at ../../Source/JavaScriptCore/wtf/HashTable.h:910
#3  0x00007ffff55b0d81 in WTF::HashTable<WebCore::FontPlatformData, std::pair<WebCore::FontPlatformData, std::pair<WebCore::SimpleFontData*, unsigned int> >, WTF::PairFirstExtractor<std::pair<WebCore::FontPlatformData, std::pair<WebCore::SimpleFontData*, unsigned int> > >, WebCore::FontDataCacheKeyHash, WTF::PairHashTraits<WebCore::FontDataCacheKeyTraits, WTF::HashTraits<std::pair<WebCore::SimpleFontData*, unsigned int> > >, WebCore::FontDataCacheKeyTraits>::add<WebCore::FontPlatformData, std::pair<WebCore::SimpleFontData*, unsigned int>, WTF::HashMapTranslator<std::pair<WebCore::FontPlatformData, std::pair<WebCore::SimpleFontData*, unsigned int> >, WTF::PairHashTraits<WebCore::FontDataCacheKeyTraits, WTF::HashTraits<std::pair<WebCore::SimpleFontData*, unsigned int> > >, WebCore::FontDataCacheKeyHash> > (this=0x1d86f10, 
    key=..., extra=...) at ../../Source/JavaScriptCore/wtf/HashTable.h:702
#4  0x00007ffff55ae3f4 in WTF::HashMap<WebCore::FontPlatformData, std::pair<WebCore::SimpleFontData*, unsigned int>, WebCore::FontDataCacheKeyHash, WebCore::FontDataCacheKeyTraits, WTF::HashTraits<std::pair<WebCore::SimpleFontData*, unsigned int> > >::inlineAdd (
    this=0x1d86f10, key=..., mapped=...) at ../../Source/JavaScriptCore/wtf/HashMap.h:242
#5  0x00007ffff55ac69a in WTF::HashMap<WebCore::FontPlatformData, std::pair<WebCore::SimpleFontData*, unsigned int>, WebCore::FontDataCacheKeyHash, WebCore::FontDataCacheKeyTraits, WTF::HashTraits<std::pair<WebCore::SimpleFontData*, unsigned int> > >::set (this=0x1d86f10, 
    key=..., mapped=...) at ../../Source/JavaScriptCore/wtf/HashMap.h:249
#6  0x00007ffff55aab9e in WebCore::FontCache::getCachedFontData (this=0x113f580, platformData=0xba59b70, 
    shouldRetain=WebCore::FontCache::Retain) at ../../Source/WebCore/platform/graphics/FontCache.cpp:290
#7  0x00007ffff55aa9d7 in WebCore::FontCache::getCachedFontData (this=0x113f580, fontDescription=..., family=..., 
    checkingAlternateName=false, shouldRetain=WebCore::FontCache::Retain) at ../../Source/WebCore/platform/graphics/FontCache.cpp:269
#8  0x00007ffff55ab59e in WebCore::FontCache::getFontData (this=0x113f580, font=..., familyIndex=@0x7986f60, fontSelector=0x2895fa0)
    at ../../Source/WebCore/platform/graphics/FontCache.cpp:411
#9  0x00007ffff55b8e86 in WebCore::FontFallbackList::fontDataAt (this=0x7986ed0, font=0x9606dc8, realizedFontIndex=1)
    at ../../Source/WebCore/platform/graphics/FontFallbackList.cpp:105
#10 0x00007ffff55bc611 in WebCore::Font::fontDataAt (this=0x9606dc8, index=1) at ../../Source/WebCore/platform/graphics/Font.h:243
#11 0x00007ffff55ba17b in WebCore::Font::glyphDataForCharacter (this=0x9606dc8, c=477, mirror=false, variant=WebCore::NormalVariant)
    at ../../Source/WebCore/platform/graphics/FontFastPath.cpp:134
#12 0x00007ffff55ef74b in WebCore::WidthIterator::advance (this=0x7fffffff7cb0, offset=7, glyphBuffer=0x0)
    at ../../Source/WebCore/platform/graphics/WidthIterator.cpp:126
---Type <return> to continue, or q <return> to quit---
#13 0x00007ffff55bb53d in WebCore::Font::floatWidthForSimpleText (this=0x9606dc8, run=..., glyphBuffer=0x0, fallbackFonts=0x0, 
    glyphOverflow=0x0) at ../../Source/WebCore/platform/graphics/FontFastPath.cpp:453
#14 0x00007ffff55b73b7 in WebCore::Font::width (this=0x9606dc8, run=..., fallbackFonts=0x0, glyphOverflow=0x0)
    at ../../Source/WebCore/platform/graphics/Font.cpp:190
#15 0x00007ffff56d1fe5 in WebCore::textWidth (text=0x7987028, from=0, len=7, font=..., xPos=114, isFixedPitch=false, 
    collapseWhiteSpace=true) at ../../Source/WebCore/rendering/RenderBlockLineLayout.cpp:1591
#16 0x00007ffff56d4223 in WebCore::RenderBlock::LineBreaker::nextLineBreak (this=0x7fffffff85e0, resolver=..., lineInfo=..., 
    lineBreakIteratorInfo=..., lastFloatFromPreviousLine=0xc6313e0) at ../../Source/WebCore/rendering/RenderBlockLineLayout.cpp:2140
#17 0x00007ffff56ce6e8 in WebCore::RenderBlock::layoutRunsAndFloats (this=0x9270e18, layoutState=..., hasInlineChild=true, floats=...)
    at ../../Source/WebCore/rendering/RenderBlockLineLayout.cpp:948
#18 0x00007ffff56cff37 in WebCore::RenderBlock::layoutInlineChildren (this=0x9270e18, relayoutChildren=true, 
    repaintLogicalTop=@0x7fffffff8abc, repaintLogicalBottom=@0x7fffffff8ab8)
    at ../../Source/WebCore/rendering/RenderBlockLineLayout.cpp:1186
#19 0x00007ffff56974d9 in WebCore::RenderBlock::layoutBlock (this=0x9270e18, relayoutChildren=true, pageLogicalHeight=0)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1257
#20 0x00007ffff5696e0c in WebCore::RenderBlock::layout (this=0x9270e18) at ../../Source/WebCore/rendering/RenderBlock.cpp:1155

#21 0x00007ffff569a8de in WebCore::RenderBlock::layoutBlockChild (this=0x9270c58, child=0x9270e18, marginInfo=..., 
    previousFloatLogicalBottom=@0x7fffffff8d8c, maxFloatLogicalBottom=@0x7fffffff8ec4)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1998
#22 0x00007ffff569a4f6 in WebCore::RenderBlock::layoutBlockChildren (this=0x9270c58, relayoutChildren=true, 
    maxFloatLogicalBottom=@0x7fffffff8ec4) at ../../Source/WebCore/rendering/RenderBlock.cpp:1936
#23 0x00007ffff56974fa in WebCore::RenderBlock::layoutBlock (this=0x9270c58, relayoutChildren=true, pageLogicalHeight=0)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1259
#24 0x00007ffff5696e0c in WebCore::RenderBlock::layout (this=0x9270c58) at ../../Source/WebCore/rendering/RenderBlock.cpp:1155
#25 0x00007ffff569a8de in WebCore::RenderBlock::layoutBlockChild (this=0x8fd7648, child=0x9270c58, marginInfo=..., 
    previousFloatLogicalBottom=@0x7fffffff919c, maxFloatLogicalBottom=@0x7fffffff92d4)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1998
#26 0x00007ffff569a4f6 in WebCore::RenderBlock::layoutBlockChildren (this=0x8fd7648, relayoutChildren=true, 
    maxFloatLogicalBottom=@0x7fffffff92d4) at ../../Source/WebCore/rendering/RenderBlock.cpp:1936
#27 0x00007ffff56974fa in WebCore::RenderBlock::layoutBlock (this=0x8fd7648, relayoutChildren=true, pageLogicalHeight=0)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1259
#28 0x00007ffff5696e0c in WebCore::RenderBlock::layout (this=0x8fd7648) at ../../Source/WebCore/rendering/RenderBlock.cpp:1155
#29 0x00007ffff569a8de in WebCore::RenderBlock::layoutBlockChild (this=0x79f9538, child=0x8fd7648, marginInfo=..., 
    previousFloatLogicalBottom=@0x7fffffff95ac, maxFloatLogicalBottom=@0x7fffffff96e4)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1998
#30 0x00007ffff569a4f6 in WebCore::RenderBlock::layoutBlockChildren (this=0x79f9538, relayoutChildren=true, 
    maxFloatLogicalBottom=@0x7fffffff96e4) at ../../Source/WebCore/rendering/RenderBlock.cpp:1936
#31 0x00007ffff56974fa in WebCore::RenderBlock::layoutBlock (this=0x79f9538, relayoutChildren=true, pageLogicalHeight=0)
---Type <return> to continue, or q <return> to quit---
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1259
#32 0x00007ffff5696e0c in WebCore::RenderBlock::layout (this=0x79f9538) at ../../Source/WebCore/rendering/RenderBlock.cpp:1155
#33 0x00007ffff569a8de in WebCore::RenderBlock::layoutBlockChild (this=0x72df3c8, child=0x79f9538, marginInfo=..., 
    previousFloatLogicalBottom=@0x7fffffff99bc, maxFloatLogicalBottom=@0x7fffffff9af4)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1998
#34 0x00007ffff569a4f6 in WebCore::RenderBlock::layoutBlockChildren (this=0x72df3c8, relayoutChildren=false, 
    maxFloatLogicalBottom=@0x7fffffff9af4) at ../../Source/WebCore/rendering/RenderBlock.cpp:1936
#35 0x00007ffff56974fa in WebCore::RenderBlock::layoutBlock (this=0x72df3c8, relayoutChildren=false, pageLogicalHeight=0)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1259
#36 0x00007ffff5696e0c in WebCore::RenderBlock::layout (this=0x72df3c8) at ../../Source/WebCore/rendering/RenderBlock.cpp:1155
#37 0x00007ffff569a8de in WebCore::RenderBlock::layoutBlockChild (this=0x5ab7608, child=0x72df3c8, marginInfo=..., 
    previousFloatLogicalBottom=@0x7fffffff9dcc, maxFloatLogicalBottom=@0x7fffffff9f04)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1998
#38 0x00007ffff569a4f6 in WebCore::RenderBlock::layoutBlockChildren (this=0x5ab7608, relayoutChildren=false, 
    maxFloatLogicalBottom=@0x7fffffff9f04) at ../../Source/WebCore/rendering/RenderBlock.cpp:1936
#39 0x00007ffff56974fa in WebCore::RenderBlock::layoutBlock (this=0x5ab7608, relayoutChildren=false, pageLogicalHeight=0)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1259
#40 0x00007ffff5696e0c in WebCore::RenderBlock::layout (this=0x5ab7608) at ../../Source/WebCore/rendering/RenderBlock.cpp:1155
#41 0x00007ffff569a8de in WebCore::RenderBlock::layoutBlockChild (this=0x72d21a8, child=0x5ab7608, marginInfo=..., 
    previousFloatLogicalBottom=@0x7fffffffa1dc, maxFloatLogicalBottom=@0x7fffffffa314)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1998
#42 0x00007ffff569a4f6 in WebCore::RenderBlock::layoutBlockChildren (this=0x72d21a8, relayoutChildren=false, 
    maxFloatLogicalBottom=@0x7fffffffa314) at ../../Source/WebCore/rendering/RenderBlock.cpp:1936
#43 0x00007ffff56974fa in WebCore::RenderBlock::layoutBlock (this=0x72d21a8, relayoutChildren=false, pageLogicalHeight=0)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1259
#44 0x00007ffff5696e0c in WebCore::RenderBlock::layout (this=0x72d21a8) at ../../Source/WebCore/rendering/RenderBlock.cpp:1155
#45 0x00007ffff569a8de in WebCore::RenderBlock::layoutBlockChild (this=0x84d4758, child=0x72d21a8, marginInfo=..., 
    previousFloatLogicalBottom=@0x7fffffffa5ec, maxFloatLogicalBottom=@0x7fffffffa724)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1998
#46 0x00007ffff569a4f6 in WebCore::RenderBlock::layoutBlockChildren (this=0x84d4758, relayoutChildren=false, 
    maxFloatLogicalBottom=@0x7fffffffa724) at ../../Source/WebCore/rendering/RenderBlock.cpp:1936
#47 0x00007ffff56974fa in WebCore::RenderBlock::layoutBlock (this=0x84d4758, relayoutChildren=false, pageLogicalHeight=0)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1259
#48 0x00007ffff5696e0c in WebCore::RenderBlock::layout (this=0x84d4758) at ../../Source/WebCore/rendering/RenderBlock.cpp:1155
#49 0x00007ffff569a8de in WebCore::RenderBlock::layoutBlockChild (this=0x7815ed8, child=0x84d4758, marginInfo=..., 
    previousFloatLogicalBottom=@0x7fffffffa9fc, maxFloatLogicalBottom=@0x7fffffffab34)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1998
#50 0x00007ffff569a4f6 in WebCore::RenderBlock::layoutBlockChildren (this=0x7815ed8, relayoutChildren=false, 
---Type <return> to continue, or q <return> to quit---
    maxFloatLogicalBottom=@0x7fffffffab34) at ../../Source/WebCore/rendering/RenderBlock.cpp:1936
#51 0x00007ffff56974fa in WebCore::RenderBlock::layoutBlock (this=0x7815ed8, relayoutChildren=false, pageLogicalHeight=0)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1259
#52 0x00007ffff5696e0c in WebCore::RenderBlock::layout (this=0x7815ed8) at ../../Source/WebCore/rendering/RenderBlock.cpp:1155
#53 0x00007ffff569a8de in WebCore::RenderBlock::layoutBlockChild (this=0x86a3628, child=0x7815ed8, marginInfo=..., 
    previousFloatLogicalBottom=@0x7fffffffae0c, maxFloatLogicalBottom=@0x7fffffffaf44)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1998
#54 0x00007ffff569a4f6 in WebCore::RenderBlock::layoutBlockChildren (this=0x86a3628, relayoutChildren=false, 
    maxFloatLogicalBottom=@0x7fffffffaf44) at ../../Source/WebCore/rendering/RenderBlock.cpp:1936
#55 0x00007ffff56974fa in WebCore::RenderBlock::layoutBlock (this=0x86a3628, relayoutChildren=false, pageLogicalHeight=0)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1259
#56 0x00007ffff5696e0c in WebCore::RenderBlock::layout (this=0x86a3628) at ../../Source/WebCore/rendering/RenderBlock.cpp:1155
#57 0x00007ffff56b06ef in WebCore::RenderObject::layoutIfNeeded (this=0x86a3628) at ../../Source/WebCore/rendering/RenderObject.h:539
#58 0x00007ffff56a1066 in WebCore::RenderBlock::insertFloatingObject (this=0x726e298, o=0x86a3628)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:3165
#59 0x00007ffff5698ab1 in WebCore::RenderBlock::handleFloatingChild (this=0x726e298, child=0x86a3628, marginInfo=...)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1528
#60 0x00007ffff56989ec in WebCore::RenderBlock::handleSpecialChild (this=0x726e298, child=0x86a3628, marginInfo=...)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1510
#61 0x00007ffff569a4c7 in WebCore::RenderBlock::layoutBlockChildren (this=0x726e298, relayoutChildren=false, 
    maxFloatLogicalBottom=@0x7fffffffb3a4) at ../../Source/WebCore/rendering/RenderBlock.cpp:1932
#62 0x00007ffff56974fa in WebCore::RenderBlock::layoutBlock (this=0x726e298, relayoutChildren=false, pageLogicalHeight=0)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1259
#63 0x00007ffff5696e0c in WebCore::RenderBlock::layout (this=0x726e298) at ../../Source/WebCore/rendering/RenderBlock.cpp:1155
#64 0x00007ffff569a8de in WebCore::RenderBlock::layoutBlockChild (this=0x77dd528, child=0x726e298, marginInfo=..., 
    previousFloatLogicalBottom=@0x7fffffffb67c, maxFloatLogicalBottom=@0x7fffffffb7b4)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1998
#65 0x00007ffff569a4f6 in WebCore::RenderBlock::layoutBlockChildren (this=0x77dd528, relayoutChildren=false, 
    maxFloatLogicalBottom=@0x7fffffffb7b4) at ../../Source/WebCore/rendering/RenderBlock.cpp:1936
#66 0x00007ffff56974fa in WebCore::RenderBlock::layoutBlock (this=0x77dd528, relayoutChildren=false, pageLogicalHeight=0)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1259
#67 0x00007ffff5696e0c in WebCore::RenderBlock::layout (this=0x77dd528) at ../../Source/WebCore/rendering/RenderBlock.cpp:1155
#68 0x00007ffff569a8de in WebCore::RenderBlock::layoutBlockChild (this=0x74dd898, child=0x77dd528, marginInfo=..., 
    previousFloatLogicalBottom=@0x7fffffffba8c, maxFloatLogicalBottom=@0x7fffffffbbc4)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1998
#69 0x00007ffff569a4f6 in WebCore::RenderBlock::layoutBlockChildren (this=0x74dd898, relayoutChildren=false, 
    maxFloatLogicalBottom=@0x7fffffffbbc4) at ../../Source/WebCore/rendering/RenderBlock.cpp:1936
#70 0x00007ffff56974fa in WebCore::RenderBlock::layoutBlock (this=0x74dd898, relayoutChildren=false, pageLogicalHeight=0)
---Type <return> to continue, or q <return> to quit---
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1259
#71 0x00007ffff5696e0c in WebCore::RenderBlock::layout (this=0x74dd898) at ../../Source/WebCore/rendering/RenderBlock.cpp:1155
#72 0x00007ffff569a8de in WebCore::RenderBlock::layoutBlockChild (this=0x5a77ca8, child=0x74dd898, marginInfo=..., 
    previousFloatLogicalBottom=@0x7fffffffbe9c, maxFloatLogicalBottom=@0x7fffffffbfd4)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1998
#73 0x00007ffff569a4f6 in WebCore::RenderBlock::layoutBlockChildren (this=0x5a77ca8, relayoutChildren=false, 
    maxFloatLogicalBottom=@0x7fffffffbfd4) at ../../Source/WebCore/rendering/RenderBlock.cpp:1936
#74 0x00007ffff56974fa in WebCore::RenderBlock::layoutBlock (this=0x5a77ca8, relayoutChildren=false, pageLogicalHeight=0)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1259
#75 0x00007ffff5696e0c in WebCore::RenderBlock::layout (this=0x5a77ca8) at ../../Source/WebCore/rendering/RenderBlock.cpp:1155
#76 0x00007ffff569a8de in WebCore::RenderBlock::layoutBlockChild (this=0x29c8ad8, child=0x5a77ca8, marginInfo=..., 
    previousFloatLogicalBottom=@0x7fffffffc2ac, maxFloatLogicalBottom=@0x7fffffffc3e4)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1998
#77 0x00007ffff569a4f6 in WebCore::RenderBlock::layoutBlockChildren (this=0x29c8ad8, relayoutChildren=false, 
    maxFloatLogicalBottom=@0x7fffffffc3e4) at ../../Source/WebCore/rendering/RenderBlock.cpp:1936
#78 0x00007ffff56974fa in WebCore::RenderBlock::layoutBlock (this=0x29c8ad8, relayoutChildren=false, pageLogicalHeight=0)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1259
#79 0x00007ffff5696e0c in WebCore::RenderBlock::layout (this=0x29c8ad8) at ../../Source/WebCore/rendering/RenderBlock.cpp:1155
#80 0x00007ffff569a8de in WebCore::RenderBlock::layoutBlockChild (this=0x2b59a98, child=0x29c8ad8, marginInfo=..., 
    previousFloatLogicalBottom=@0x7fffffffc6bc, maxFloatLogicalBottom=@0x7fffffffc7f4)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1998
#81 0x00007ffff569a4f6 in WebCore::RenderBlock::layoutBlockChildren (this=0x2b59a98, relayoutChildren=false, 
    maxFloatLogicalBottom=@0x7fffffffc7f4) at ../../Source/WebCore/rendering/RenderBlock.cpp:1936
#82 0x00007ffff56974fa in WebCore::RenderBlock::layoutBlock (this=0x2b59a98, relayoutChildren=false, pageLogicalHeight=0)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1259
#83 0x00007ffff5696e0c in WebCore::RenderBlock::layout (this=0x2b59a98) at ../../Source/WebCore/rendering/RenderBlock.cpp:1155
#84 0x00007ffff569a8de in WebCore::RenderBlock::layoutBlockChild (this=0x37a0828, child=0x2b59a98, marginInfo=..., 
    previousFloatLogicalBottom=@0x7fffffffcacc, maxFloatLogicalBottom=@0x7fffffffcc04)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1998
#85 0x00007ffff569a4f6 in WebCore::RenderBlock::layoutBlockChildren (this=0x37a0828, relayoutChildren=false, 
    maxFloatLogicalBottom=@0x7fffffffcc04) at ../../Source/WebCore/rendering/RenderBlock.cpp:1936
#86 0x00007ffff56974fa in WebCore::RenderBlock::layoutBlock (this=0x37a0828, relayoutChildren=false, pageLogicalHeight=0)
    at ../../Source/WebCore/rendering/RenderBlock.cpp:1259
#87 0x00007ffff5696e0c in WebCore::RenderBlock::layout (this=0x37a0828) at ../../Source/WebCore/rendering/RenderBlock.cpp:1155
#88 0x00007ffff579a097 in WebCore::RenderView::layout (this=0x37a0828) at ../../Source/WebCore/rendering/RenderView.cpp:130
#89 0x00007ffff554ea27 in WebCore::FrameView::layout (this=0x8460070, allowSubtree=true) at ../../Source/WebCore/page/FrameView.cpp:1000
#90 0x00007ffff5162671 in WebCore::Document::updateLayout (this=0x62cde60) at ../../Source/WebCore/dom/Document.cpp:1612
#91 0x00007ffff5162752 in WebCore::Document::updateLayoutIgnorePendingStylesheets (this=0x62cde60)

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