diff options
Diffstat (limited to 'variable.c')
| -rw-r--r-- | variable.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/variable.c b/variable.c index 79e02b910c..8090efd76c 100644 --- a/variable.c +++ b/variable.c @@ -1412,6 +1412,9 @@ rb_cvar_declare(klass, id, val) if (RCLASS(tmp)->iv_tbl && st_lookup(RCLASS(tmp)->iv_tbl,id,0)) { if (!OBJ_TAINTED(tmp) && rb_safe_level() >= 4) rb_raise(rb_eSecurityError, "Insecure: can't modify class variable"); + if (ruby_verbose && klass != tmp) { + rb_warning("already initialized class variable %s", rb_id2name(id)); + } st_insert(RCLASS(tmp)->iv_tbl,id,val); return; } |