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145
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1 // PR c++/84374 - diagnose invalid uses of decltype(auto).
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2 // { dg-do compile { target c++14 } }
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3
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4 auto l = [](auto* r)->decltype(auto)* { return r; }; // { dg-error "as type rather than plain" }
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5 auto m = [](auto* r)->decltype(auto)& { return *r; }; // { dg-error "as type rather than plain" }
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6
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7 decltype(auto)* f(); // { dg-error "as type rather than plain" }
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8 decltype(auto)& f2(); // { dg-error "as type rather than plain" }
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9 decltype(auto)* f3() { return 42; } // { dg-error "as type rather than plain" }
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10 decltype(auto)& f4() { return 42; } // { dg-error "as type rather than plain" }
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11
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12
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13 class C {
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14 decltype(auto)* g(); // { dg-error "as type rather than plain" }
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15 decltype(auto)& g2(); // { dg-error "as type rather than plain" }
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16 decltype(auto)* g3() { } // { dg-error "as type rather than plain" }
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17 decltype(auto)& g4() { } // { dg-error "as type rather than plain" }
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18 };
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