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111
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1 /* Test operation of -Wparentheses. Warnings for ambiguous else. */
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2 /* Origin: Joseph Myers <jsm@polyomino.org.uk> */
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3
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4 /* { dg-do compile } */
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5 /* { dg-options "-Wparentheses" } */
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6
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7 int foo (int);
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8
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9 int a, b, c;
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10
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11 int
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12 bar (void)
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13 {
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14 if (a)
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15 foo (0);
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16 if (b)
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17 foo (1);
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18 else
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19 foo (2);
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20 if (c) /* { dg-warning "ambiguous" "correct warning" } */
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21 if (a)
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22 foo (3);
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23 else
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24 foo (4);
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25 if (a)
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26 if (c)
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27 foo (5);
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28 if (a)
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29 if (b) /* { dg-warning "ambiguous" "correct warning" } */
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30 if (c)
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31 foo (6);
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32 else
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33 foo (7);
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34 if (a) /* { dg-warning "ambiguous" "correct warning" } */
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35 if (b)
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36 if (c)
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37 foo (8);
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38 else
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39 foo (9);
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40 else
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41 foo (10);
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42 if (a)
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43 if (b)
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44 if (c)
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45 foo (11);
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46 else
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47 foo (12);
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48 else
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49 foo (13);
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50 else
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51 foo (14);
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52 if (a) {
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53 if (b)
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54 if (c)
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55 foo (15);
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56 else
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57 foo (16);
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58 else
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59 foo (17);
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60 }
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61 }
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