diff gcc/testsuite/g++.dg/cpp1y/constexpr-union5.C @ 19:2b5abeee2509 default tip

update gcc11
author anatofuz
date Mon, 25 May 2020 07:50:57 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/cpp1y/constexpr-union5.C	Mon May 25 07:50:57 2020 +0900
@@ -0,0 +1,15 @@
+// { dg-do compile { target c++14 } }
+
+union U;
+constexpr int foo(U *up);
+
+union U {
+  int a = foo(this); int y;
+};
+
+constexpr int foo(U *up) {
+  up->a++;
+  return {42};
+}
+
+extern constexpr U u = {}; // { dg-error "accessing uninitialized member" }