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annotate gcc/testsuite/g++.dg/warn/sequence-pt-pr17880.C @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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111
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1 // PR 17880
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2 // { dg-do compile }
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3 // { dg-options "-Wsequence-point" }
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4
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5 int
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6 foo (int x)
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7 {
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8 unsigned int a;
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9 int b;
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10
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11 b = (a += 5) > a; // { dg-warning "undefined" "sequence point warning" }
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12 b = (a += 5) + a == 10; // { dg-warning "undefined" "sequence point warning" }
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13 b = (a -= 5) > a; // { dg-warning "undefined" "sequence point warning" }
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14 b = (a -= 5) + a == 10; // { dg-warning "undefined" "sequence point warning" }
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15 b = a-- > a; // { dg-warning "undefined" "sequence point warning" }
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16 b = a-- + a == 10; // { dg-warning "undefined" "sequence point warning" }
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17 b = ++a > a; // { dg-warning "undefined" "sequence point warning" }
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18 b = ++a + a == 10; // { dg-warning "undefined" "sequence point warning" }
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19
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20 if ((a += 5) > a) return -1; // { dg-warning "undefined" "sequence point warning" }
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21 if ((a += 5) + a == 10) return -1; // { dg-warning "undefined" "sequence point warning" }
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22 if ((a -= 5) > a) return -1; // { dg-warning "undefined" "sequence point warning" }
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23 if ((a -= 5) + a == 10) return -1; // { dg-warning "undefined" "sequence point warning" }
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24 if (a-- > a) return -1; // { dg-warning "undefined" "sequence point warning" }
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25 if (a-- + a == 10) return -1; // { dg-warning "undefined" "sequence point warning" }
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26 if (++a > a) return -1; // { dg-warning "undefined" "sequence point warning" }
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27 if (++a + a == 10) return -1; // { dg-warning "undefined" "sequence point warning" }
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28 do {} while ((a += 5) > a); // { dg-warning "undefined" "sequence point warning" }
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29 while ((a += 5) > a); // { dg-warning "undefined" "sequence point warning" }
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30 for ((a += 5) > a;;); // { dg-warning "undefined" "sequence point warning" }
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31 for (b = (a += 5) > a;;); // { dg-warning "undefined" "sequence point warning" }
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32 for (; (a += 5) > a;); // { dg-warning "undefined" "sequence point warning" }
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33 for (;; b = (a += 5) > a); // { dg-warning "undefined" "sequence point warning" }
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34 for (;; a++ + a++); // { dg-warning "undefined" "sequence point warning" }
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35 if (a) a++ - a--; // { dg-warning "undefined" "sequence point warning" }
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36 ((a +=5) > a) ? a : b; // { dg-warning "undefined" "sequence point warning" }
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37 return (a++ - a--); // { dg-warning "undefined" "sequence point warning" }
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38 }
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39
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40 void bar (int i)
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41 {
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42 int a = i++ - i++; // { dg-warning "undefined" "sequence point warning" }
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43 }
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44
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45 void baz (int i)
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46 {
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47 switch (i++ + i++) // { dg-warning "undefined" "sequence point warning" }
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48 {
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49 case 1:
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50 i++ - i++; // { dg-warning "undefined" "sequence point warning" }
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51 case 2:
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52 break;
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53 }
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54 }