Non-nested switch cases in codegen
Migrate TAGBODY
Migrate MULTIPLE-VALUE-CALL
Fix temporal bug in tagbody
Remigrate MULTIPLE-VALUE-CALL (correctly)
Migrate CONS
Migrate APPLY
Migrate MULTIPLE-VALUE-PROG1
Migrate VARIABLE-ARITMETIC-CALL
Variable-arity
Remove type-check macro and its uses
Migrate special variable references