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+2017-12-11 Alexandre Oliva <aoliva@redhat.com>
+
+ PR rtl-optimization/80693
+ PR rtl-optimization/81019
+ PR rtl-optimization/81020
+ * combine.c (distribute_notes): Reset any REG_UNUSED REGs that
+ are not mentioned in i3. Place the REG_UNUSED note on i2,
+ possibly modified to REG_DEAD, if it did not originate in i3.
+
2017-12-11 Jakub Jelinek <jakub@redhat.com>
* recog.c (store_data_bypass_p_1): New function.