8231754: [JVMCI] Make r27 unconditionally reserved in JVMCI
Summary: Reserve r27 (heap base register) on AArch64 unconditionally
Reviewed-by: adinn, dlong
/* @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