1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/cpp0x/decltype25.C b/gcc/testsuite/g++.dg/cpp0x/decltype25.C
new file mode 100644
index 000000000..c9559f151
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/decltype25.C
@@ -0,0 +1,20 @@
+// PR c++/47851
+// { dg-options -std=c++0x }
+
+struct Type {
+  void display_type();
+  void display_type() const { }
+};
+
+typedef Type const ConstType;
+
+struct ConvertibleToType {
+    operator Type&() { return *reinterpret_cast<Type*>(this); }
+};
+
+int main ()
+{
+  // Both lines should call the const variant.
+  (true ? ConvertibleToType() : ConstType()).display_type();
+  decltype((true ? ConvertibleToType() : ConstType()))().display_type();
+}