rb_mod_sys_fail_str 1802 include/ruby/ruby.h NORETURN(void rb_mod_sys_fail_str(VALUE, VALUE));
rb_mod_sys_fail_str 11986 io.c           	    rb_mod_sys_fail_str(rb_mWaitWritable, arg);
rb_mod_sys_fail_str 12003 io.c           	    rb_mod_sys_fail_str(rb_mWaitReadable, arg);