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authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/g++.dg/cpp0x/collapse.C
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/g++.dg/cpp0x/collapse.C')
-rw-r--r--gcc-4.9/gcc/testsuite/g++.dg/cpp0x/collapse.C38
1 files changed, 38 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/collapse.C b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/collapse.C
new file mode 100644
index 000000000..b537bb583
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/collapse.C
@@ -0,0 +1,38 @@
+// { dg-do compile { target c++11 } }
+template<typename T, typename U> struct same_type;
+template<typename T> struct same_type<T, T> {};
+
+typedef int & lref;
+typedef int const & clref;
+typedef int && rref;
+typedef int const && crref;
+
+template<typename T>
+struct S
+{
+ typedef T & lref;
+ typedef T const & clref;
+ typedef T && rref;
+ typedef T const && crref;
+};
+
+void f()
+{
+ same_type<lref &, int &>();
+ same_type<lref &&, int &>();
+ same_type<rref &, int &>();
+ same_type<rref &&, int &&>();
+
+ same_type<rref const &, int &>();
+ same_type<crref volatile &&, int const &&>();
+ same_type<clref const &&, int const &>();
+
+ same_type<S<int &>::lref &, int &>();
+ same_type<S<int &&>::lref &&, int &>();
+ same_type<S<int &>::rref &, int &>();
+ same_type<S<int &&>::rref &&, int &&>();
+
+ same_type<S<int const &>::rref, int const &>();
+ same_type<S<int volatile &&>::crref, int volatile &&>();
+ same_type<S<int const &&>::clref, int const &>();
+}