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+Sat Apr 23 16:11:39 2016  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* include/ruby/ruby.h (rb_mul_size_overflow): use UNLIKELY
+	  by user side to improve generallity.
+
 Sat Apr 23 16:10:02 2016  NARUSE, Yui  <naruse@ruby-lang.org>
 
 	* include/ruby/ruby.h (RB_LIKELY): use prefix in ruby.h.