1 files changed, 59 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/cpp0x/decltype2.C b/gcc/testsuite/g++.dg/cpp0x/decltype2.C
new file mode 100644
index 000000000..186d75b72
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/decltype2.C
@@ -0,0 +1,59 @@
+// { dg-do compile }
+// { dg-options "-std=gnu++0x" }
+
+template<typename T, typename U> 
+struct is_same 
+{
+  static const bool value = false;
+};
+
+template<typename T>
+struct is_same<T, T>
+{
+  static const bool value = true;
+};
+
+#define CHECK_DECLTYPE(DECLTYPE,RESULT) \
+  static_assert(is_same< DECLTYPE , RESULT >::value, #RESULT)
+
+struct A {};
+
+int a; 
+int& b = a; 
+const int& c = a; 
+const int d = 5; 
+const A e = A(); 
+CHECK_DECLTYPE(decltype(a), int);
+CHECK_DECLTYPE(decltype(b), int&); 
+CHECK_DECLTYPE(decltype(c), const int&); 
+CHECK_DECLTYPE(decltype(d), const int); 
+CHECK_DECLTYPE(decltype(e), const A); 
+
+CHECK_DECLTYPE(decltype(a), int);
+CHECK_DECLTYPE(decltype((a)), int&);
+
+void foo_check(int a, int& b, float& c, int* d) 
+{ 
+  CHECK_DECLTYPE(decltype(a), int);
+  CHECK_DECLTYPE(decltype(b), int&); 
+  CHECK_DECLTYPE(decltype(c), float&);
+  CHECK_DECLTYPE(decltype(d), int*);
+} 
+
+int foo(char); 
+int bar(char); 
+int bar(int); 
+CHECK_DECLTYPE(decltype(foo), int(char));
+
+decltype(bar) z; // { dg-error "overload" }
+// { dg-error "invalid type" "" { target *-*-* } 48 }
+
+CHECK_DECLTYPE(decltype(&foo), int(*)(char));
+CHECK_DECLTYPE(decltype(*&foo), int(&)(char));
+
+void array_types()
+{
+  int a[10]; 
+  CHECK_DECLTYPE(decltype(a), int[10]);
+}
+