APPLE LOCAL file testsuite

This file lists the markers for local changes that are by their nature
not testable, such as source code tweaks that don't directly affect
compiler behavior.  Every other local change must have at least one
test case.

Note that if a local change fixes a bug that is exposed by an existing
test, then by definition the local change should go into FSF GCC
instead of being listed here.

APPLE LOCAL MW compatibility
APPLE LOCAL Mach time
APPLE LOCAL OS pragma hook
APPLE LOCAL RTX_COST for multiply
APPLE LOCAL Stripped encodings ('!T_' and '!t_') should match.
APPLE LOCAL branch cost
APPLE LOCAL code size reduction / performance enhancement
APPLE LOCAL combine hoisted consts
APPLE LOCAL compare >= 0, not > 0.
APPLE LOCAL darwin host
APPLE LOCAL darwin mmap bug workaround
APPLE LOCAL darwin_set_section_for_var_p
APPLE LOCAL debugging
APPLE LOCAL default to ppro
APPLE LOCAL do not extern fp save/restore
APPLE LOCAL don't define SAVE_FP_PREFIX and friends
APPLE LOCAL fat builds readability
APPLE LOCAL finish file hook
APPLE LOCAL fix prototypes
APPLE LOCAL fix redundant add?
APPLE LOCAL flag_objc
APPLE LOCAL include guard for darwin.h
APPLE LOCAL interrupt signal handler (radar 2941633)
APPLE LOCAL keep tables in sync comment
APPLE LOCAL make easy_vector_constant globally visible (rs6000-protos.h)
APPLE LOCAL manual
APPLE LOCAL more orphaned code
APPLE LOCAL move is_class_name to stub-objc.c
APPLE LOCAL move lookup_interface to stub-objc.c
APPLE LOCAL move lookup_objc_ivar to stub-objc.c
APPLE LOCAL multiply cost pulled into function
APPLE LOCAL objc finish file
APPLE LOCAL order files
APPLE LOCAL parsedir
APPLE LOCAL prototypes
APPLE LOCAL prune man page
APPLE LOCAL reduce code size
APPLE LOCAL remove a stub tweak
APPLE LOCAL remove machopic_output_possible_stub_label
APPLE LOCAL rename for HFS
APPLE LOCAL separate outputdir
APPLE LOCAL setrlimit
APPLE LOCAL time formatting
APPLE LOCAL try to improve ggc
APPLE LOCAL work around a makeinfo complaint
APPLE LOCAL cp_binding_level