Summary: Three tests added: 1) test stressing VirtualSpace by resizing it constantly 2) test running unit tests in several threads 3) test checking protected area in ReservedHeapSpace class
Reviewed-by: stefank, zgu
Contributed-by: aleksey.timofeev@oracle.com

Reviewed-by: jcoomes

Summary: Uncommon trap blob did not bang all the stack shadow pages
Reviewed-by: kvn, twisti, iveresov, jrose

Summary: Make all raw loads strictly respect control dependencies, make sure RCE doesn't move raw loads, add verification of G1 pre-barriers.
Reviewed-by: kvn, roland

Summary: Keep T_OBJECT operands in registers for logical operations on x64
Reviewed-by: kvn, roland

Summary: String.equals() intrinsic shouldn't use integer length input in pointer arithmetic without an i2l.
Reviewed-by: kvn, twisti

Reviewed-by: kvn, iveresov

Reviewed-by: jcoomes

8026948: JvmtiEnv::SetBreakpoint and JvmtiEnv::ClearBreakpoint might not work with anonymous classes
Summary: Walk methods in breakpoints for marking on stack so they aren't deallocated by redefine classes.  Use class_holder rather than class_loader to keep GC from reclaiming class owning the method.
Reviewed-by: sspitsyn, ehelin, sla

Summary: Should compare bounds greater than or equal 4G when deciding if shift is needed or CDS area + compressed class space are within 4G of each other.
Reviewed-by: stefank, hseigel, zgu

Summary: Pass correct new value to post_barrer() in Unsafe.getAndSetObject() C1 intrinsic
Reviewed-by: kvn, roland

Summary: Put a band-aid to disable CHA-based inlining for interfaces with default methods in C1
Reviewed-by: kvn, twisti

Reviewed-by: hseigel, zgu

Summary: Use 2-byte loads to load indexes from the byte code stream to avoid out of bounds reads.
Reviewed-by: coleenp, sspitsyn

Reviewed-by: duke