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annotate gcc/testsuite/g++.dg/cpp1z/constexpr-if29.C @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
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145
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1 // PR c++/85827
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2 // { dg-do compile { target c++17 } }
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3 // { dg-options "-Wunused-variable -Wunused-parameter" }
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4
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5 template <int N> int f()
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6 {
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7 constexpr bool _1 = N == 1;
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8 constexpr bool _2 = N == 2;
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9 constexpr bool _3 = N == 3;
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10
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11 if constexpr (_1) {
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12 return 5;
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13 } else if constexpr (_2) {
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14 return 1;
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15 } else if constexpr (_3) {
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16 return 7;
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17 }
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18 }
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19
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20 int a() {
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21 return f<1>();
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22 }
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23 int b() {
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24 return f<2>();
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25 }
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26 int c() {
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27 return f<3>();
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28 }