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1 // PR c++/65398
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2 // { dg-do compile { target c++11 } }
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3
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4 #define SA(X) static_assert((X),#X)
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5
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6 constexpr char s[] = "abc";
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7
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8 SA((&s[0] + 0) == (&s[0] + 0));
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9 SA((&s[0] + 1) == (&s[1] + 0));
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10 SA((&s[0] + 2) == (&s[1] + 1));
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11 SA((&s[0] + 3) == (&s[1] + 2));
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12 SA((&s[0] + 4) == (&s[1] + 3));
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13 SA((&s[2] + 0) == (&s[0] + 2));
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14 SA((&s[2] + 1) == (&s[3] + 0));
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15 SA((&s[2] + 2) == (&s[3] + 1));
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16 SA((&s[4] + 0) == (&s[2] + 2));
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17
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18 SA((&s[0] + 0) != (&s[1] + 0));
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19 SA((&s[0] + 2) != (&s[1] + 0));
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20 SA((&s[2] + 0) != (&s[2] + 1));
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21 SA((&s[1] + 1) != (&s[0] + 1));
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22
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23 constexpr int l[] = { 'c', 'd', 'e', '\0' };
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24
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25 SA((&l[0] + 0) == (&l[0] + 0));
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26 SA((&l[0] + 1) == (&l[1] + 0));
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27 SA((&l[0] + 2) == (&l[1] + 1));
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28 SA((&l[0] + 3) == (&l[1] + 2));
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29 SA((&l[0] + 4) == (&l[1] + 3));
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30 SA((&l[2] + 0) == (&l[0] + 2));
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31 SA((&l[2] + 1) == (&l[3] + 0));
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32 SA((&l[2] + 2) == (&l[3] + 1));
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33 SA((&l[4] + 0) == (&l[2] + 2));
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34
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35 SA((&l[0] + 0) != (&l[1] + 0));
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36 SA((&l[0] + 2) != (&l[1] + 0));
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37 SA((&l[2] + 0) != (&l[2] + 1));
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38 SA((&l[1] + 1) != (&l[0] + 1));
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