From 293b1f44fa2d5617e3c6ccac1c6d2874a02d483a Mon Sep 17 00:00:00 2001
From: Paolo Carlini <paolo.carlini@oracle.com>
Date: Tue, 15 Dec 2015 10:18:13 +0000
Subject: [PATCH] re PR c++/63506 (GCC deduces wrong return type of operator*()
 inside template functions)

2015-12-15  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/63506
	* g++.dg/cpp0x/pr63506-1.C: New.
	* g++.dg/cpp0x/pr63506-2.C: Likewise.

From-SVN: r231646
---
 gcc/testsuite/ChangeLog                |  6 ++++++
 gcc/testsuite/g++.dg/cpp0x/pr63506-1.C | 24 +++++++++++++++++++++++
 gcc/testsuite/g++.dg/cpp0x/pr63506-2.C | 27 ++++++++++++++++++++++++++
 3 files changed, 57 insertions(+)
 create mode 100644 gcc/testsuite/g++.dg/cpp0x/pr63506-1.C
 create mode 100644 gcc/testsuite/g++.dg/cpp0x/pr63506-2.C

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 790d9c14df9..4d749f1d1f2 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2015-12-15  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/63506
+	* g++.dg/cpp0x/pr63506-1.C: New.
+	* g++.dg/cpp0x/pr63506-2.C: Likewise.
+
 2015-12-15  Olivier Hainque  <hainque@adacore.com>
 
 	* gcc.target/visium/block_move.c: Skip for -mcpu=gr5.
diff --git a/gcc/testsuite/g++.dg/cpp0x/pr63506-1.C b/gcc/testsuite/g++.dg/cpp0x/pr63506-1.C
new file mode 100644
index 00000000000..dbdcdfb46c2
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/pr63506-1.C
@@ -0,0 +1,24 @@
+// { dg-do compile { target c++11 } }
+
+struct proxy {};
+
+struct iterator
+{
+  proxy operator*() { return proxy(); }
+};
+
+//#define DEACTIVATE
+
+#ifndef DEACTIVATE
+template<typename T = int>
+#endif
+void foo(iterator it)
+{
+  auto&& x = *it;
+}
+
+int main() 
+{
+  iterator it;
+  foo(it);
+}
diff --git a/gcc/testsuite/g++.dg/cpp0x/pr63506-2.C b/gcc/testsuite/g++.dg/cpp0x/pr63506-2.C
new file mode 100644
index 00000000000..b6b74e5359c
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/pr63506-2.C
@@ -0,0 +1,27 @@
+// { dg-do compile { target c++11 } }
+
+struct proxy {};
+
+struct iterator
+{
+  proxy operator*() { return proxy(); }
+
+  proxy operator[](int i) { return proxy(); }
+};
+
+//#define DEACTIVATE
+
+#ifndef DEACTIVATE
+template<typename T = int>
+#endif
+void foo(iterator it)
+{
+  auto&& x = *it;
+  auto&& y = it[1];
+}
+
+int main()
+{
+  iterator it;
+  foo(it);
+}