mrb_include_module support class and module

that not have methods each other

mrb_include_module support class and module
that not have methods each other
c4a225f0 · ksss · ffbf90bd · c4a225f0
Commit c4a225f0 authored May 19, 2014 by ksss
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src/class.c src/class.c +1 -1

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--- a/src/class.c
+++ b/src/class.c
@@ -741,7 +741,7 @@ mrb_include_module(mrb_state *mrb, struct RClass *c, struct RClass *m)
    struct RClass *p = c, *ic;
    int superclass_seen = 0;
-    if (c->mt == m->mt) {
+    if (c->mt && c->mt == m->mt) {
      mrb_raise(mrb, E_ARGUMENT_ERROR, "cyclic include detected");
    }
    while (p) {