procyberian/gcc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

re PR c++/56611 ([C++11] Template instantiation failure with variadic arguments and template aliases)

Browse source 
2013-03-13  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/56611
	* g++.dg/cpp0x/alias-decl-32.C: New.

From-SVN: r196631
This commit is contained in:
Paolo Carlini 2013-03-13 11:44:32 +00:00 • committed by Paolo Carlini
parent 8a38ebb653
commit 15ff4345c4
2 changed files with 30 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2013-03-13 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/56611
* g++.dg/cpp0x/alias-decl-32.C: New.
2013-03-11 Jan Hubicka <jh@suse.cz>
PR middle-end/56571

25
gcc/testsuite/g++.dg/cpp0x/alias-decl-32.C Normal file
View file

@ -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;