diff options
Diffstat (limited to 'gcc/testsuite/g++.dg/cpp0x/sfinae6.C')
-rw-r--r-- | gcc/testsuite/g++.dg/cpp0x/sfinae6.C | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/cpp0x/sfinae6.C b/gcc/testsuite/g++.dg/cpp0x/sfinae6.C new file mode 100644 index 000000000..401d5362d --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp0x/sfinae6.C @@ -0,0 +1,31 @@ +// PR c++/48113 +// { dg-options -std=c++0x } + +template<typename T> T declval(); + +struct tuple { }; + +struct F1 +{ + void operator()(tuple, int); +}; + +typedef void (*F2)(tuple, int); + +template<typename F, typename T> +struct Bind +{ + template<typename A, + typename R = decltype( F()(declval<T&>(), A()) )> + R f(A); + + template<typename A, + typename R = decltype( F()(declval<volatile T&>(), A()) )> + R f(A) volatile; +}; + +int main() +{ + Bind<F1, tuple>().f(0); // OK + Bind<F2, tuple>().f(0); // ERROR, should be OK +} |