Please review this change which updates the defaults in the linux devkit creator, the doc/building.md file, and the JIB (Oracle) configuration to gcc 9.2.
JBS: https://bugs.openjdk.java.net/browse/JDK-8241721 <https://bugs.openjdk.java.net/browse/JDK-8241721> webrev: http://cr.openjdk.java.net/~mikael/webrevs/8241721/webrev.00/open/webrev/ <http://cr.openjdk.java.net/~mikael/webrevs/8241721/webrev.00/open/webrev/> Cheers, Mikael
