[Webkit-unassigned] [Bug 235568] ASSERTION FAILED: m_fragmentedFlow->objectShouldFragmentInFlowFragment(box, this)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=235568

Rob Buis <rbuis at igalia.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |rbuis at igalia.com

--- Comment #2 from Rob Buis <rbuis at igalia.com> ---
The box being added for overflow is an absolute positioned box and the overflow is being calculated at the time for a RenderMultiColumnSet.

Render tree at the time of ASSERT:
BR----L-- -+                      DIV RenderBlock at (0,48) size 33554432x33554432 renderer->(0x14fcbe540) node->(0x109afe6e0) [spans fragment containers in flow 0x14ec75380 from 0x108737640 to 0x108737640] layout->[self][normal child][positioned child]
B---YGL-- --                        RenderMultiColumnFlowThread at (33554432,33554432) size 0x21 renderer->(0x14ec75680) (layout overflow -33554430,-33554416 33554432x33554432) (visual overflow -33554430,-33554416 33554432x33554432) [fragment containers 0x108793a40] [spans fragment containers in flow 0x14ec75380 from 0x108737640 to 0x108737640]
-------- --                          Line: (top: -33554416 bottom: 19) with leading (top: 0 bottom: 21)
-------- --                          RootInlineBox at (0,2) size 2x17 (0x14edeb680) renderer->(0x14ec75680)
-------- --                            InlineBox at (-33554430,-33554416) size 33554432x33554432 (0x15064b420) renderer->(0x14fcbe240)
N-----L-- --                          DIV RenderBlock at (-33554430,-33554416) size 33554432x33554432 renderer->(0x14fcbe240) node->(0x109afe610) (layout overflow 3,0 33554426x33554432) [spans fragment containers in flow 0x14ec75680 from 0x108793a40 to 0x108793a40]
B---YGL-- --                            RenderMultiColumnFlowThread at (3,33554428) size 496x93 renderer->(0x14ec75980) [fragment containers 0x108726040] [spans fragment containers in flow 0x14ec75680 from 0x108793a40 to 0x108793a40]
B-------- --                              A RenderBlock at (0,0) size 496x93 renderer->(0x14fcbdf40) node->(0x109b40b60) [spans fragment containers in flow 0x14ec75980 from 0x108726040 to 0x108726040]
BA---GL-- --*                               <pseudo> RenderBlock at (33554432,16777216) size 0x23488100 renderer->(0x14fcbddc0) node->(0x109b845c0) (layout overflow 0,0 0x23488100) (visual overflow -17,-2 34x23488134) [spans fragment containers in flow 0x14ec75380 from 0x108737640 to 0x108737640]
-------- --                                  line at (0.00,0.00) size (0.00x0.00) baseline (0.00) enclosing top (-14.00) bottom (3.00)
-------- --                                    Root inline box at (0.00,-14.00) size (0.00x17.00)
-------- --                                    Run(s):
I---YG--- --                                  RenderText renderer->(0x108d80740)
BR----L-- --                                SPAN RenderBlock at (0,0) size 496x93 renderer->(0x14fcbdac0) node->(0x109afe540) [spans fragment containers in flow 0x14ec75980 from 0x108726040 to 0x108726040]
-------- --                                  Line: (top: 31 bottom: 62) with leading (top: 32 bottom: 62)
-------- --                                  RootInlineBox at (162.91,31) size 170.18x31 (0x14eded480) renderer->(0x14fcbdac0)
-------- --                                    InlineTextBox at (162.91,31) size 170.18x31 (0x1099d8730) renderer->(0x109b844e0) run(0, 6) "å<88><9b>建å<85><8d>è´¹å¸<90>æ<88>·"
I-------- --                                  #text RenderText renderer->(0x109b844e0) node->(0x109992a00) length->(6) "å<88><9b>建å<85><8d>è´¹å¸<90>æ<88>·"
B---YG--- --                            RenderMultiColumnSet at (3,33554428) size 33554426x31 renderer->(0x108726040) (column count 65535, size 496x31, gap 16) [spans fragment containers in flow 0x14ec75680 from 0x108793a40 to 0x108793a40]
I-------- --                          #text RenderText renderer->(0x109b84400) node->(0x1099928a0) length->(25) "\n                        "
B---YG--- --                        RenderMultiColumnSet at (33554432,33554432) size 0x16777216 renderer->(0x108793a40) (column count 65535, size 0x16777216, gap 16) [spans fragment containers in flow 0x14ec75380 from 0x108737640 to 0x108737640]

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