diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a3fe233c69c..b6daae49b37 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,6 @@
 2017-05-10  Peter Bergner  <bergner@vnet.ibm.com>
 
+	PR tree-optimization/51513
 	* tree-cfg.c (gimple_seq_unreachable_p): New function.
 	(assert_unreachable_fallthru_edge_p): Use it.
 	(group_case_labels_stmt): Likewise.
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 3e465e47d16..c552675cc31 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,6 @@
 2017-05-10  Peter Bergner  <bergner@vnet.ibm.com>
 
+	PR tree-optimization/51513
 	* gcc.target/powerpc/pr51513.c: New test.
 	* gcc.dg/predict-13.c: Replace __builtin_unreachable() with
 	__builtin_abort().