8151674: STW phases at Concurrent GC should count in PerfCounter
Reviewed-by: jmasa, sla, tschatzl
/* @test /nodynamiccopyright/
@bug 4037020 4785453
@summary Verify that ClassModifier "synchronized" is not allowed.
@author dps
@compile/fail/ref=SynchronizedClass.out -XDrawDiagnostics SynchronizedClass.java
*/
public synchronized class SynchronizedClass { } // ERROR