diff options
Diffstat (limited to 'gcc/testsuite/g++.dg/cpp0x/constexpr-data2.C')
-rw-r--r-- | gcc/testsuite/g++.dg/cpp0x/constexpr-data2.C | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/cpp0x/constexpr-data2.C b/gcc/testsuite/g++.dg/cpp0x/constexpr-data2.C new file mode 100644 index 000000000..2d614ec32 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp0x/constexpr-data2.C @@ -0,0 +1,47 @@ +// { dg-do compile } +// { dg-options "-std=gnu++0x" } + +template<typename _Tp, _Tp v> + struct A3 + { + typedef _Tp value_type; + typedef A3<value_type,v> type; + + static constexpr value_type value = v; + + constexpr operator value_type() { return value; } + }; + +// Partial specialization. +template<typename _Tp, _Tp v> + struct A3<_Tp*, v> + { + typedef _Tp* value_type; + typedef A3<value_type,v> type; + + static constexpr value_type value = v; + + constexpr operator value_type() { return value; } + }; + +// Explicit specialization. +template<> + struct A3<unsigned short, 0> + { + typedef unsigned short value_type; + typedef A3<value_type, 0> type; + + static constexpr value_type value = 0; + + constexpr operator value_type() { return value; } + }; + +// Explicitly instantiate. +template struct A3<int, 415>; + +// Extern explicitly instantiate. +extern template struct A3<int, 510>; + +// Use. +A3<int, 1111> a31; +A3<char, 9999> a32; // { dg-warning "overflow" } |