[OpenJDK 2D-Dev] RFR: 8247872: Upgrade HarfBuzz to the latest 2.7.2

Tue Nov 17 18:00:02 UTC 2020

* Philip Race:

> There is more code in the newer version but not 4 times as much !
> Harfbuzz now requires c++11 features (-std=c++11)
> Possibly the C++ compiler you are using (you don't mention platform) is 
> slower in this mode.

It's GCC 8 on Debian buster, which defaults to C++14.  And it's
possible to write slow-to-compile C++ in all language modes.

Is the Harfbuzz build parallelized?