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Add test case for issue #246

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This commit is contained in:
jzmaddock
2018-11-07 13:52:52 +00:00
parent 96d0bce5f1
commit 32ecea81e0
1 changed files with 10 additions and 7 deletions
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17
test/boost_no_constexpr.ipp
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@@ -32,13 +32,7 @@ private:
template<int> struct X { }; template<int> struct X { };
#if __cplusplus < 201400L
// Some C++14 compilers reject this (clang), some C++11 compilers reject "constexpr const" (GCC-4.6)
constexpr A a = 42;
#else
constexpr const A a = 42; constexpr const A a = 42;
#endif
X<a> xx; // OK: unique conversion to int X<a> xx; // OK: unique conversion to int
@@ -68,9 +62,18 @@ struct F : virtual E
}; };
constexpr F& f(F& out) { return out; } constexpr F& f(F& out) { return out; }
namespace whatever{};
constexpr int factorial(int i)
{
typedef int value_type;
using namespace whatever;
return i <= 1 ? 1 : i * factorial(value_type(i-1));
}
int test() int test()
{ {
int i = square(5); constexpr int i = square(5) + factorial(10);
quiet_warning(i); quiet_warning(i);
switch (i) switch (i)