Tim Blechmann f4a64fd8c8 cplusplus: PPToken - introduce move constructor ...

profiling qt-creator on my codebase i saw quite a few instances where
reference counting of `QByteArray` showed up in
`Preprocessor::handleFunctionLikeMacro` (hundreds of milliseconds of CPU
time when profiling for a few seconds). using move semantics we can
avoid this source of reference counting.

Change-Id: I19a88a0501064f53d8095f7377bf901e462d25a0
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

2021-04-27 10:56:52 +00:00

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