8208658: Make CDS archived heap regions usable even if compressed oop encoding has changed
Summary: Relocate and patch archive regions if necessary
Reviewed-by: jiangli, tschatzl
8209783: AArch64: Combine Multiply and Neg operations in C2
Summary: Generate mneg instructions for a*(-b) or (-a)*b to save one instruction
Reviewed-by: adinn
Contributed-by: pengfei.li@arm.com