[DOC] Fix the wrong comment
This function checks the CL's superclasses containing the class C at the end of it. That means C is a superclass of CL, not a subclass.
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object.c
4
object.c
@ -869,7 +869,7 @@ rb_obj_is_instance_of(VALUE obj, VALUE c)
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return RBOOL(rb_obj_class(obj) == c);
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}
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// Returns whether c is a proper (c != cl) subclass of cl
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// Returns whether c is a proper (c != cl) superclass of cl
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// Both c and cl must be T_CLASS
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static VALUE
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class_search_class_ancestor(VALUE cl, VALUE c)
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@ -882,7 +882,7 @@ class_search_class_ancestor(VALUE cl, VALUE c)
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VALUE *classes = RCLASS_SUPERCLASSES(cl);
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// If c's inheritance chain is longer, it cannot be an ancestor
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// We are checking for a proper subclass so don't check if they are equal
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// We are checking for a proper superclass so don't check if they are equal
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if (cl_depth <= c_depth)
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return Qfalse;
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