diff options
Diffstat (limited to 'gcc/testsuite/g++.dg/cpp0x/sfinae27.C')
-rw-r--r-- | gcc/testsuite/g++.dg/cpp0x/sfinae27.C | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/cpp0x/sfinae27.C b/gcc/testsuite/g++.dg/cpp0x/sfinae27.C new file mode 100644 index 000000000..93327ba9c --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp0x/sfinae27.C @@ -0,0 +1,20 @@ +// PR c++/50157 +// { dg-options -std=c++0x } + +template<class T> +T val(); + +template<class T, class Arg, class = + decltype(::new T(val<Arg>())) +> +auto test(int) -> char; + +template<class, class> +auto test(...) -> char (&)[2]; + +struct P { + explicit operator bool(); // (#13) +}; + +typedef decltype(test<bool, P>(0)) type; // OK +typedef decltype(test<float, P>(0)) type2; // Error (#17) |