diff options
Diffstat (limited to 'class.c')
| -rw-r--r-- | class.c | 8 |
1 files changed, 5 insertions, 3 deletions
@@ -349,11 +349,13 @@ rb_include_module(klass, module) OBJ_INFECT(klass, module); c = klass; while (module) { + if (RCLASS(klass)->m_tbl == RCLASS(module)->m_tbl) + rb_raise(rb_eArgError, "cyclic include detected"); /* ignore if the module included already in superclasses */ for (p = RCLASS(klass)->super; p; p = RCLASS(p)->super) { - if (BUILTIN_TYPE(p) == T_ICLASS && - RCLASS(p)->m_tbl == RCLASS(module)->m_tbl) { - goto skip; + if (BUILTIN_TYPE(p) == T_ICLASS) { + if (RCLASS(p)->m_tbl == RCLASS(module)->m_tbl) + goto skip; } } RCLASS(c)->super = include_class_new(module, RCLASS(c)->super); |