diff options
Diffstat (limited to 'parse.y')
-rw-r--r-- | parse.y | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -11652,6 +11652,10 @@ arg_var(struct parser_params *p, ID id) static void local_var(struct parser_params *p, ID id) { + if (id >= idNUMPARAM_0 && id <= idNUMPARAM_9) { + rb_warn1("`_%d' is used as numbered parameter", + WARN_I((int)(id - idNUMPARAM_0))); + } vtable_add(p->lvtbl->vars, id); if (p->lvtbl->used) { vtable_add(p->lvtbl->used, (ID)p->ruby_sourceline); |