8146891: AArch64 needs patch for 8032463
Reviewed-by: kvn

8138892: C1: Improve counter overflow checking
Reviewed-by: iveresov, goetz, twisti, vlivanov

8132875: AArch64: Fix error introduced into AArch64 CodeCache by commit for 8130309
Summary: The fix for issue 8130309 introduced several errors into the AArch64 codecache routines
Reviewed-by: aph, thartmann, kvn

8130309: Need to bailout cleanly if creation of stubs fails when codecache is out of space
Summary: Check for failed expansion of stub section in code buffer and bailout.
Reviewed-by: kvn, adinn, dlong, roland, twisti

8079792: GC directory structure cleanup
Reviewed-by: brutisso, stefank, david

8074119: [AARCH64] stage repo misses fixes from several Hotspot changes
Summary: add shared code changes from 8059606, 8069230, 8068976, 8068977, 8072911 and 8071805
Reviewed-by: aph, kvn

8068053: AARCH64: C1 and C2 compilers
Summary: add src/cpu/aarch64/vm/* C1 and C2 files
Reviewed-by: kvn, roland