477781 - nsLineLayout and nsTextFrameThebes disagree on which frame is the line container

Status: NEW

(Core :: Layout: Block and Inline, defect)

Description

[Mats Palmgren (inactive)]

Follow-up from bug 444027 comment 6:

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ASSERTION: Wrong line container hint: '!aForFrame || aLineContainer ==
FindLineContainer(aForFrame)'
http://mxr.mozilla.org/mozilla-central/source/layout/generic/nsTextFrameThebes.cpp?mark=969#959

for floating first-letter frames because nsLineLayout's line container:
http://mxr.mozilla.org/mozilla-central/source/layout/generic/nsLineLayout.h?mark=366#361

disagree with FindLineContainer():
http://mxr.mozilla.org/mozilla-central/source/layout/generic/nsTextFrameThebes.cpp#776
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STEPS TO REPRODUCE
1. revert the change to the assertion that bug 444027 did, ie. remove
   line 975+976 here:
http://hg.mozilla.org/mozilla-central/annotate/2e550e7b8f3c/layout/generic/nsTextFrameThebes.cpp#l960
2. run reftests