8151674: STW phases at Concurrent GC should count in PerfCounter
Reviewed-by: jmasa, sla, tschatzl
class LambdaTest --
LambdaTest.<init>()
LambdaTest.foo(i)
LambdaTest.lambda$static$1(arg0)/*synthetic*/
LambdaTest.lambda$static$0(arg0, arg1)/*synthetic*/
static interface LambdaTest$I -- inner
LambdaTest$I.m(x)