8219687: G1 asserts nmethod should not be unloaded during parallel code cache unloading Reviewed-by: tschatzl, kvn

8226522: No compilation error reported when yield is used in incorrect context Reviewed-by: mcimadamore

8224673: Adjust permission for delayed starting of debugging Summary: Changed permission from monitor to control Reviewed-by: sspitsyn, clanger

8225475: Node budget asserts on x86_32/64 Summary: Make the (ad-hoc) loop cloning size estimate more pessimistic. Reviewed-by: shade

8226943: compile error in libfollowref003.cpp with XCode 10.2 on macosx Reviewed-by: sspitsyn

8227178: Backout of 8215523 Reviewed-by: tschatzl

8226238: Improve error output and fix elf issues in os::dll_load Reviewed-by: clanger, mdoerr

8227085: ZGC: Add on_weak load barrier verification Reviewed-by: eosterlund

8227083: ZGC: C2: Generates on_weak barrier for WeakCompareAndSwap Reviewed-by: neliasso, eosterlund

8225770: ZGC: C2: Generates on_weak instead of on_strong barriers Reviewed-by: neliasso, eosterlund

8226956: Add invocation tests for Graal and C1 Summary: Add new tests for these JIT's Reviewed-by: lfoltan, coleenp

Merge

8226525: HotSpot compile-time error for x86-32 Reviewed-by: shade

8226976: SessionTimeOutTests uses == operator for String value check Summary: Use String.equals() instead of == operator Reviewed-by: xuelei

8224480: (fc) java/nio/channels/FileChannel/MapTest.java fails intermittently Reviewed-by: lancea, alanb

8227101: Shenandoah: Use ShenandoahSharedFlag for claimed flag in ShenandoahSerialRoot Reviewed-by: shade