In nsMathMLmpaddedFrame::UpdateValue, the variable oldValue became unused after http://hg.mozilla.org/mozilla-central/rev/b28932f43641 and should be removed.
Created attachment 548021 [details] [diff] [review] remove oldvalue Attached patch removes the line
Nigel, if you can attach a patch generated as explained on <https://developer.mozilla.org/en/Mercurial_FAQ#How_can_I_generate_a_patch_for_somebody_else_to_check-in_for_me.3f>, we can get it checked in for you.
Created attachment 549344 [details] [diff] [review] remove-oldvalue Patch in the right format for check-in
Created attachment 549345 [details] [diff] [review] rename-oldvalue v3 v3 of the patch with reviewer's name in the commit
Thanks! Landed on inbound: http://hg.mozilla.org/integration/mozilla-inbound/rev/691c76a1a455 Someone will probably merge it over to mozilla-central later today (for some value of "today").
Thanks Nigel, one step closer for bug 187528 :-)