8232533: G1 uses only a single thread for pretouching the java heap Reviewed-by: tschatzl, sjohanss

Honor AlwaysPreTouch when commiting memory

8233272: The Class.forName specification should be updated to match the long-standing implementation with respect to class linking Reviewed-by: dholmes, mchung

8231954: Test compiler/codegen/TestCharVect2.java only works with server VMs Reviewed-by: iignatyev, kvn

Fix bug in zap_range and add virtual space test

Verify metaspace when printing VM.metaspace

8233922: Service binding augments module graph with observable incubator modules Reviewed-by: mchung

8215355: Object monitor deadlock with no threads holding the monitor (using jemalloc 5.1) Reviewed-by: rehn, stuefe, dcubed, sspitsyn

8220074: Clean up GCC 8.3 errors in LittleCMS Reviewed-by: prr

8233462: serviceability/tmtools/jstat tests times out with -Xcomp Reviewed-by: sspitsyn

8234304: runtime/cds/appcds/javaldr tests should use driver mode Reviewed-by: iklam, mseledtsov

8234324: ARM32 build broken after 8231610 Reviewed-by: iklam, aph

merge

Merge

8233193: Incorrect bailout from possibly_add_compiler_threads Reviewed-by: dholmes, thartmann

8233141: DatagramSocket.send doesn't specify exception thrown when no target address Summary: DatagramSocket and MulticastSocket send methods are changed to throw IllegalArgumentException if no target address can be determined. Reviewed-by: alanb