D9809: work around bug in kLineEdit

[Dan Weatherill]

dweatherill added a comment.


  in addition, just returning early instead of the assert causes a different bug, which is that compilerEdited gets called when we select out of the compiler, due to the same kLineEdit bug that causes textEdited to be emitted on calling clear().
  
  So, when that happens, compilerEdited deletes the compiler name from the tree view, because in that code path the assert doesn't fire.

REPOSITORY
  R32 KDevelop

REVISION DETAIL
  https://phabricator.kde.org/D9809

To: dweatherill, #kdevelop, apol, mwolff
Cc: mwolff, anthonyfieroni, kdevelop-devel, iodelay, vbspam, njensen, geetamc, Pilzschaf, akshaydeo, surgenight, arrowdodger
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