From: Jakub Jelinek <jakub@redhat.com>
Date: Fri, 30 Aug 2019 12:14:10 +0000 (+0200)
Subject: backport: re PR c++/82075 (structured binding fails with empty base class)
X-Git-Tag: releases/gcc-7.5.0~238
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c349eb3a4edb4161f4e623e2416c2f19fb4392c8;p=thirdparty%2Fgcc.git

backport: re PR c++/82075 (structured binding fails with empty base class)

	Backported from mainline
	2019-03-08  Jakub Jelinek  <jakub@redhat.com>

	PR c++/82075
	* g++.dg/cpp1z/decomp49.C: New test.

From-SVN: r275125
---

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 18693b02603d..48dfeb3a1d1b 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,6 +1,11 @@
 2019-08-30  Jakub Jelinek  <jakub@redhat.com>
 
 	Backported from mainline
+	2019-03-08  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/82075
+	* g++.dg/cpp1z/decomp49.C: New test.
+
 	2019-03-06  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c++/87148
diff --git a/gcc/testsuite/g++.dg/cpp1z/decomp49.C b/gcc/testsuite/g++.dg/cpp1z/decomp49.C
new file mode 100644
index 000000000000..525eb45af51b
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp1z/decomp49.C
@@ -0,0 +1,14 @@
+// PR c++/82075
+// { dg-do run { target c++11 } }
+// { dg-options "" }
+
+struct B { };
+struct D : B { int i; };
+
+int
+main ()
+{
+  auto [i] = D{};	// { dg-warning "only available with" "" { target c++14_down } }
+  if (i != 0)
+    __builtin_abort ();
+}