Spell the option -Wpointer-arith, not -Wpointer_arith.

[r21957]

diff --git a/warning.c b/warning.c
index 3867718..e2014d2 100644 (file)
--- a/warning.c
+++ b/warning.c
@@ -157,7 +157,7 @@ void set_warning_opt(const char *const opt)
        OPT("old-style-definition",          old_style_definition);
        OPT("packed",                        packed);
        OPT("padded",                        padded);
-       OPT("pointer_arith",                 pointer_arith);
+       OPT("pointer-arith",                 pointer_arith);
        OPT("redundant-decls",               redundant_decls);
        OPT("return-type",                   return_type);
        OPT("shadow",                        shadow);