Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp1z/constexpr-lambda8.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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// Testcase from P0170R1 // { dg-do compile { target c++17 } } auto Fwd = [](int (*fp)(int), auto a) { return fp(a); }; auto C = [](auto a) { return a; }; static_assert( Fwd(C ,3) == 3); // OK // No specialization of the function call operator template can be constexpr // (because of the local static). auto NC = [](auto a) { static int s; return a; }; // { dg-error "static" } // { dg-message "operator int" "" { target *-*-* } .+1 } static_assert( Fwd(NC ,3) == 3); // { dg-error "" } // We look for the string "operator int" to check that we aren't trying to do // template pretty-printing in an expression; that gets incredibly unwieldy // with the decltype magic we do for lambdas.