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

8226602: Test convenience reactive primitives from java.net.http with RS TCK Reviewed-by: chegar, dfuchs

8227041: runtime/memory/RunUnitTestsConcurrently.java has a memory leak Reviewed-by: stefank, coleenp

8227035: JVM::printFlags fails in native OOM situations Reviewed-by: goetz, gziemski

Merge

8226603: accessibility issues in specs/jvmti.html Summary: Fix accessability issues in the JVMTI spec Reviewed-by: dholmes, amenkov