Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.old-deja/g++.robertl/eb43.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 04ced10e8804 |
children |
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// { dg-do assemble } // All the pointer_to_binary_function cases used to fail because g++ // couldn't handle converting an overloaded function to a class type. // The first one should still fail because it requires an implicit conversion // to pointer_to_binary_function, which has an `explicit' constructor. // { dg-prune-output "note" } #include <vector> #include <algorithm> #include <functional> using namespace std; template <class T> class Expr { public : Expr(){} Expr(const T&){} }; template <class T > inline bool compare(const Expr<T> a, const Expr<T> b){ return true; } int main() { vector<int> a(3); sort( a.begin(), a.end(), static_cast<bool (*)(const Expr<int>,const Expr<int>)>(compare) ); sort( a.begin(), a.end(), compare<int> ); sort<vector<int>::iterator, pointer_to_binary_function<const Expr<int>, const Expr<int>, bool> > ( a.begin(), a.end(), compare ); // { dg-error "" } constructor is explicit sort( a.begin(), a.end(), ptr_fun<const Expr<int>, const Expr<int>, bool> (compare) ); sort( a.begin(), a.end(), ptr_fun(compare<int>) ); sort( a.begin(), a.end(), pointer_to_binary_function<const Expr<int>, const Expr<int>, bool>(compare) ); sort( a.begin(), a.end(), pointer_to_binary_function<const Expr<int>, const Expr<int>, bool>(compare<int>) ); sort( a.begin(), a.end(), pointer_to_binary_function<const Expr<int>, const Expr<int>, bool>(compare<>) ); } // { dg-prune-output "enable_if" }