diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 677136516d3..341dc4c4ecc 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>
+
+	* g++.dg/cpp0x/pr84497.C: Require alias support.
+
 2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>
 
 	* gcc.target/i386/falign-functions-3.c: Adjust align syntax
diff --git a/gcc/testsuite/g++.dg/cpp0x/pr84497.C b/gcc/testsuite/g++.dg/cpp0x/pr84497.C
index d44a779371a..7eb1aee474e 100644
--- a/gcc/testsuite/g++.dg/cpp0x/pr84497.C
+++ b/gcc/testsuite/g++.dg/cpp0x/pr84497.C
@@ -1,6 +1,7 @@
 // PR 84497 mismatch with thread constructor fn weakness
 // { dg-do compile { target c++11 } }
 // { dg-require-weak "" }
+// { dg-require-alias "" }
 // { dg-skip-if "No .weak" { { hppa*-*-hpux* } && { ! lp64 } } }
 
 struct Base