utils
some tests
-dflamba option
main_args
Cflags.simplify_pass
Add functions to ident

Conflicts:
	typing/ident.ml
flambda files in bytecomp
Add new types
Change clambda constant types and update cmmgen
TMP: desactivate unit tests
Build cherry-picked files

Conflicts:
	Makefile
depend
build bytecomp/flambda stuff
Update Const_string
Add global instructions to Lambda
add instruction to printlambda
Update Praise
Add Fstringswitch
Move debuginfo to bytecomp
flambdaexport