Comment #5 on issue 3201 by [email protected]: Patch: Don't initialize dim_cache_
array via constructor syntax
http://code.google.com/p/lilypond/issues/detail?id=3201
This is a real barf bag. While
dim_cache_ [a] = Dimension_cache (s.dim_cache_ [a]);
now calls the copy constructor for creating separate copies of the members
(pointers) of s.dim_cache, the temporary created by the call to
Dimension_cache is destructed afterwards, taking those copies along with
it. So again, double destruction. Quite insane semantics of
Dimension_cache, and I should be surprised if they never lead to trouble.
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