diff options
-rw-r--r-- | ChangeLog | 8 | ||||
-rw-r--r-- | class.c | 7 | ||||
-rw-r--r-- | hash.c | 1 |
3 files changed, 15 insertions, 1 deletions
@@ -1,3 +1,11 @@ +Sat Sep 28 10:40:44 2002 Yukihiro Matsumoto <matz@ruby-lang.org> + + * hash.c (rb_hash_become): Hash#become should check added + self-assignment. + + * class.c (rb_make_metaclass): metaclass of a superclass may be + NULL at boot time. + Sat Sep 28 09:50:03 2002 KONISHI Hiromasa <konishih@fd6.so-net.ne.jp> * ext/extmk.rb: The condition judgment without necessity was deleted. @@ -152,7 +152,12 @@ rb_make_metaclass(obj, super) RCLASS(klass)->super = RBASIC(rb_class_real(RCLASS(obj)->super))->klass; } else { - RBASIC(klass)->klass = RBASIC(rb_class_real(super))->klass; + VALUE metasuper = RBASIC(rb_class_real(super))->klass; + + /* metaclass of a superclass may be NULL at boot time */ + if (metasuper) { + RBASIC(klass)->klass; + } } return klass; @@ -575,6 +575,7 @@ static VALUE rb_hash_become(hash, hash2) VALUE hash, hash2; { + if (hash == hash2) return hash; hash2 = to_hash(hash2); rb_hash_clear(hash); st_foreach(RHASH(hash2)->tbl, replace_i, hash); |