[Lilypond-auto] [LilyIssues-auto] [testlilyissues:issues] Re: #5346 Fix GC issue in skyline rotations

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Could you please keep tests like that not private but add them to the regtests? Particularly when you are working on that area? This could have been caught by either me or James then. I doubt I'll be able to fix this before tomorrow as I have to leave for a family celebration soonish.

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[issues:#5346] Fix GC issue in skyline rotations

Status: Started
Created: Fri Jun 15, 2018 03:32 PM UTC by David Kastrup
Last Updated: Sat Jun 16, 2018 12:27 PM UTC
Owner: David Kastrup

Fix GC issue in skyline rotations

This was issue 5341 initially and is a fix for a problem introduced
during issue 5319. The problem basically is that a rotated Stencil is
created and its stencil _expression_ is getting stored on the heap
without retaining any pointer to it in areas scanned during garbage
collections.

This fix is a minimal one that merely avoids creating a stencil and
instead simulates the effect on the transform matrix to be expected
from using a rotated stencil.

http://codereview.appspot.com/344960043

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