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111
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1 /* { dg-do compile } */
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2 /* { dg-options "-Wsign-compare -Werror=sign-compare -Werror=switch-enum" } */
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3 /* { dg-message "warnings being treated as errors" "" {target "*-*-*"} 0 } */
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4
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5 int bar()
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6 {
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7 unsigned x = 0;
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8 int y = 1;
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9
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10 /* generates an error - ok */
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11 x += x < y ? 1 : 0; /* { dg-error "comparison" } */
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12
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13 #pragma GCC diagnostic push
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14 #pragma GCC diagnostic ignored "-Wsign-compare"
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15 /* generates no diagnostic - ok */
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16 x += x < y ? 1 : 0;
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17 #pragma GCC diagnostic pop
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18
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19 x += x < y ? 1 : 0; /* { dg-error "comparison" } */
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20
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21 return x;
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22 }
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23
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24 enum EE { ONE, TWO };
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25
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26 int f (enum EE e)
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27 {
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28 int r = 0;
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29
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30 #pragma GCC diagnostic push
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31 #pragma GCC diagnostic ignored "-Wswitch-enum"
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32
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33 switch (e)
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34 {
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35 case ONE:
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36 r = 1;
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37 break;
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38 }
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39 #pragma GCC diagnostic pop
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40
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41 switch (e) /* { dg-error "switch" } */
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42 {
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43 case ONE:
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44 r = 1;
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45 break;
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46 }
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47 return r;
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48 }
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