opt_D_dump_flatC = opt_D_dump_all || lookUp SLIT("-ddump-flatC")
opt_D_dump_foreign = opt_D_dump_most || lookUp SLIT("-ddump-foreign-stubs")
opt_D_dump_inlinings = opt_D_dump_all || lookUp SLIT("-ddump-inlinings")
opt_D_dump_flatC = opt_D_dump_all || lookUp SLIT("-ddump-flatC")
opt_D_dump_foreign = opt_D_dump_most || lookUp SLIT("-ddump-foreign-stubs")
opt_D_dump_inlinings = opt_D_dump_all || lookUp SLIT("-ddump-inlinings")