We use aliases for core methods in many places MRI does not
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                 Key: JRUBY-1409
                 URL: http://jira.codehaus.org/browse/JRUBY-1409
             Project: JRuby
          Issue Type: Bug
          Components: Core Classes/Modules
            Reporter: Charles Oliver Nutter
             Fix For: JRuby 1.1.0


MRI generally doesn't use aliases for core class methods, with the following 
exceptions:

{noformat}
    rb_define_method(rb_cArray, "length", rb_ary_length, 0);
    rb_define_alias(rb_cArray,  "size", "length");

    rb_define_alias(rb_cIO, "to_i", "fileno");
    rb_define_method(rb_cIO, "fileno", rb_io_fileno, 0);

    rb_define_module_function(rb_mProcGID, "grant_privilege", 
p_gid_grant_privilege, 1);
    rb_define_alias(rb_singleton_class(rb_mProcUID), "eid=", "grant_privilege");
    rb_define_alias(rb_singleton_class(rb_mProcGID), "eid=", "grant_privilege");
{noformat}

We should provide aliases only for these methods, and all other aliase we 
currently have should just be second bindings of the same method.

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