Added -W: command line option

To manage `Warning[category]` flags.  Only `-W:deprecated` and
`-W:no-deprecated` are available now.  [Feature #16345]

1 files changed, 7 insertions, 0 deletions

diff --git a/error.c b/error.c
index b261f2ea04..e662b4f08a 100644
--- a/error.c
+++ b/error.c
@@ -150,6 +150,13 @@ rb_warning_category_from_name(VALUE category)
     return cat;
 }
 
+void
+rb_warning_category_update(unsigned int mask, unsigned int bits)
+{
+    warning_disabled_categories &= ~mask;
+    warning_disabled_categories |= mask & ~bits;
+}
+
 MJIT_FUNC_EXPORTED bool
 rb_warning_category_enabled_p(rb_warning_category_t category)
 {