------- Comment #7 from jakub at gcc dot gnu dot org 2010-05-01 18:28 ------- You should grep for unused_but_set_, then you'll see also: c-decl.c: OPT_Wunused_but_set_variable, c-decl.c: if (warn_unused_but_set_parameter) c-decl.c: OPT_Wunused_but_set_parameter,
See http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=158086 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30438
