* [C++ testcase, committed] PR 56611
@ 2013-03-13 11:46 Paolo Carlini
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From: Paolo Carlini @ 2013-03-13 11:46 UTC (permalink / raw)
To: gcc-patches
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Hi,
I'm committing the testcase and closing the issue as already fixed in
mainline.
Thanks,
Paolo.
////////////////////////
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2013-03-13 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/56611
* g++.dg/cpp0x/alias-decl-32.C: New.
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Index: g++.dg/cpp0x/alias-decl-32.C
===================================================================
--- g++.dg/cpp0x/alias-decl-32.C (revision 0)
+++ g++.dg/cpp0x/alias-decl-32.C (working copy)
@@ -0,0 +1,25 @@
+// PR c++/56611
+// { dg-do compile { target c++11 } }
+
+template<class T> struct remove_reference { typedef T type; };
+template<class T> struct remove_reference<T&> { typedef T type; };
+template<class T> T declval() { return T(); }
+
+int f(int, int){return 0;}
+struct Func{};
+
+template<class... Args> struct result1
+{
+ typedef decltype(f(declval<typename remove_reference<Args>::type>()...)) type;
+};
+
+template<class... Args> using result2
+= decltype(f(declval<typename remove_reference<Args>::type>()...));
+
+template<class Sig> struct R;
+template<class This, class... Args> struct R< This(Args...) >
+{
+ typedef result2<Args...> type;
+};
+
+typedef R< Func(int, int) >::type R_type;
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2013-03-13 11:46 [C++ testcase, committed] PR 56611 Paolo Carlini
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