diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 636f031b3db..e394dcd92f5 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2016-09-14  Nathan Sidwell  <nathan@acm.org>
+
+	PR c++/77539
+	* g++.dg/cpp1y/pr77539.C: New.
+
 2016-09-14  Christophe Lyon  <christophe.lyon@linaro.org>
 
 	* g++.dg/cpp0x/lambda/lambda-mangle.C: Move dg-do directive before
diff --git a/gcc/testsuite/g++.dg/cpp1y/pr77539.C b/gcc/testsuite/g++.dg/cpp1y/pr77539.C
new file mode 100644
index 00000000000..d1fba24c625
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp1y/pr77539.C
@@ -0,0 +1,14 @@
+// PR c++/77539
+// { dg-do compile { target c++14 } }
+
+constexpr int foobar()
+{
+  int array[100] = {};
+  int *ar = array;
+  if (ar == nullptr) // Error...
+  {
+    return 0;
+  }
+  return 1;
+}
+static_assert(foobar(),"");