Bug #6863 ยป type-error-on-class-inheriting-from-self.patch
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static VALUE
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rb_class_initialize(int argc, VALUE *argv, VALUE klass)
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{
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VALUE super;
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VALUE super, i;
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if (RCLASS_SUPER(klass) != 0 || klass == rb_cBasicObject) {
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rb_raise(rb_eTypeError, "already initialized class");
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| ... | ... | |
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rb_scan_args(argc, argv, "01", &super);
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rb_check_inheritable(super);
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}
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for(i = super; i && i != rb_cBasicObject; i = RCLASS_SUPER(i)) {
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if(i == klass) {
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rb_raise(rb_eTypeError, "circular inheritance detected");
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}
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}
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RCLASS_SUPER(klass) = super;
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rb_make_metaclass(klass, RBASIC(super)->klass);
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rb_class_inherited(super, klass);
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