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

+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.

gcc/testsuite/g++.dg/cpp0x/pr63506-1.C

+// { 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);
+}

gcc/testsuite/g++.dg/cpp0x/pr63506-2.C

+// { 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);
+}