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111
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1 // { dg-do compile { target c++14 } }
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2
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3 constexpr void f1() {
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4 if (false)
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5 throw;
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6 }
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7
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8 constexpr void f2() {
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9 if (true)
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10 throw; // { dg-error "not a constant expression" }
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11 }
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12
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13 constexpr void f3() {
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14 if (false)
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15 ;
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16 else
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17 throw; // { dg-error "not a constant expression" }
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18 }
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19
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20 constexpr void f4() {
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21 throw; // { dg-error "not a constant expression" }
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22 }
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23
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24 constexpr int fun(int n) {
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25 switch (n) {
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26 case 0:
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27 return 1;
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28 default:
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29 throw; // { dg-error "not a constant expression" }
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30 }
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31 }
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32
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33 static_assert(fun(0), "");
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131
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34 static_assert(fun(1), ""); // { dg-error "non-constant|in .constexpr. expansion of" }
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