be515b4ce0
* g++.dg/*.C: Use target c++17 instead of explicit dg-options. * lib/g++-dg.exp: Don't test C++11 by default. Add C++17 to the list of default stds to test. From-SVN: r265343
16 lines
690 B
C
16 lines
690 B
C
// Testcase from P0170R1
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// { dg-do compile { target c++17 } }
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auto Fwd = [](int (*fp)(int), auto a) { return fp(a); };
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auto C = [](auto a) { return a; };
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static_assert( Fwd(C ,3) == 3); // OK
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// No specialization of the function call operator template can be constexpr
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// (because of the local static).
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auto NC = [](auto a) { static int s; return a; }; // { dg-error "static" }
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// { dg-message "operator int" "" { target *-*-* } .+1 }
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static_assert( Fwd(NC ,3) == 3); // { dg-error "" }
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// We look for the string "operator int" to check that we aren't trying to do
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// template pretty-printing in an expression; that gets incredibly unwieldy
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// with the decltype magic we do for lambdas.
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