[Lmuse-developer] Crashes when resizing wave parts

[Tim E. R. <ter...@ro...>]

Florian can you check it out? It happens even with empty, blank wave parts.

It crashes in PartList::remove() at
       assert(i != end());
(The part is not in the list - therefore it must have already been removed.)

My stack shows:

Thread 1:
=================
...
#4 Song::redo	  // Fails to find the part in Thread 7. Already removed below?
#5 Song::applyOperationGroup
#6 Song::cmdResizePart
	...
		// Calls Song::cmdChangePart which removes the part:
	895: audio->msgChangePart(oPart, nPart, false, false, false); 
	896: operations.push_back(UndoOp(UndoOp::ModifyPart, oPart, nPart...
	897: song->applyOperationGroup(operations);
	...
#7 PartCanvas::resizeItem
#8 Canvas::viewMouseReleaseEvent
...

Thread 7:
=================
...
#3 __assert_fail_			// Part not found
#4 PartList::remove
#5 Song::changePart
#6 Song::doRedo2			// The redo sent from Thread 1.
#7 Song::processMessage
...

Maybe something not right after operation groups added? Or did I cause that?
Thanks. Tim.