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annotate gcc/testsuite/c-c++-common/Wunused-var-7.c @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +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 c++/44062 */
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2 /* { dg-do compile } */
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3 /* { dg-options "-Wunused" } */
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4
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5 void
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6 foo (void)
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7 {
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8 int a, b, c, d, e, f, g;
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9 a = 1;
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10 b = 2;
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11 c = 3;
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12 d = 4;
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13 e = 5;
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14 f = 6;
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15 g = 7;
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16 a; /* { dg-warning "no effect" } */
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17 b, 1; /* { dg-warning "no effect" } */
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18 (void) c;
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19 (void) d, 1; /* { dg-warning "no effect" } */
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20 e, f, 1; /* { dg-warning "no effect" } */
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21 (void) g, f, 1; /* { dg-warning "no effect" } */
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22 }
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23
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24 void
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25 bar (void)
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26 {
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27 int a;
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28 int b;
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29 int c; /* { dg-warning "set but not used" } */
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30 a = 1;
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31 b = 2;
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32 c = 3;
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33 c = ({ a++, b; });
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34 }
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35
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36 void
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37 baz (void)
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38 {
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39 int a;
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40 int b;
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41 int c;
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42 int d;
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43 a = 1;
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44 b = 2;
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45 c = 3;
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46 d = 4;
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47 d, ( a++, b ), c; /* { dg-warning "no effect" } */
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48 }