Avoid SETF of stmt-op and stmt-operands
Rename STMT-MNEMONIC to STMT-OP
Update crossbuild makefile
Fix sb-manual build when SBCL_CONTRIB_BLOCKLIST is nonempty
arm64: implement tls-based-mv-return
Generalize the number of MV return regs in gc-common
win32: disable agressive stack scrub
Add a hack to make GC weak-hash-table tests reliable