http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59223
Manuel López-Ibáñez <manu at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |manu at gcc dot gnu.org --- Comment #1 from Manuel López-Ibáñez <manu at gcc dot gnu.org> --- I am pretty sure that this is an oversight when the option got renamed. In particular, this seems appropriate: Index: tree-ssa-uninit.c =================================================================== --- tree-ssa-uninit.c (revision 205089) +++ tree-ssa-uninit.c (working copy) @@ -2175,7 +2175,7 @@ static bool gate_warn_uninitialized (void) { - return warn_uninitialized != 0; + return warn_uninitialized || warn_maybe_uninitialized; } since the pass can warn for both options and the warnings are already guarded by the appropriate OPT_W* code.