Alex Hoppen a47bd7089e [libSyntax] Don't create dedicated deferred nodes in SyntaxTreeCreator ...

We have finally reached our goal of optimising deferred node creation
for SyntaxTreeCreator. Instead of creating dedicated deferred nodes and
copying the data into a RawSyntax node when recording, we always create
RawSyntax nodes. Recording a deferred node is thus a no-op, since we
have already created a RawSyntax node. Should a deferred node not be
recorded, it stays alive in the SyntaxArena without any reference to it.
While this means, we are leaking some memory for such nodes, most nodes
do get recorded, so the overhead should be fine compared to the
performance benefit.

2021-03-10 08:48:18 +01:00

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