re PR c++/87250 (Internal compiler error with -Os -fsyntax-only)

	PR c++/87250
	* g++.dg/cpp0x/pr87250.C: New test.

From-SVN: r272129

gcc/testsuite/ChangeLog

+2019-06-10  Matthew Beliveau  <mbelivea@redhat.com>
+
+	PR c++/87250
+	* g++.dg/cpp0x/pr87250.C: New test.
+
 2019-06-10  Jakub Jelinek  <jakub@redhat.com>
 
 	PR testsuite/90772

gcc/testsuite/g++.dg/cpp0x/pr87250.C

+// PR c++/87250
+// { dg-do compile { target c++11 } }
+// { dg-options "-Os -fsyntax-only" }
+
+template <typename> struct a {
+  constexpr a(int) {}
+};
+template <typename> struct atomic;
+template <> struct atomic<bool> {
+  a<bool> b;
+  constexpr atomic(bool c) : b(c) {}
+};