--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/warn/Wnoexcept1.h	Thu Feb 13 11:34:05 2020 +0900
@@ -0,0 +1,25 @@
+// -*- C++ -*-
+#pragma GCC system_header
+
+using size_t = decltype(sizeof(42));
+inline void * operator new (size_t, void *p) noexcept { return p; }
+
+template<typename _Up, typename... _Args>
+void
+construct1(_Up* __p, _Args... __args)
+  noexcept(noexcept(::new((void *)__p) _Up(__args...)))
+{ ::new((void *)__p) _Up(__args...); }
+
+template<typename _Up, typename... _Args>
+void
+construct2(_Up* __p, _Args... __args)
+  noexcept(noexcept(::new((void *)__p) _Up(__args...)))
+{ ::new((void *)__p) _Up(__args...); }
+
+class Automatic1 {
+public:
+  Automatic1(size_t bla) : Bla(bla) {};
+
+private:
+  size_t Bla;
+};