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annotate gcc/testsuite/g++.dg/warn/Wparentheses-1.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 // Test operation of -Wparentheses. Warnings for assignments used as
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2 // truth-values. Essentially the same as gcc.dg/Wparentheses-3.c.
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3 // Origin: Joseph Myers <jsm@polyomino.org.uk>
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4
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5 // { dg-do compile }
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6 // { dg-options "-Wparentheses" }
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7
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8 int foo (int);
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9
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10 int a, b, c;
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11 bool d;
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12
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13 void
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14 bar (void)
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15 {
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16 if (a = b) // { dg-warning "assignment" "correct warning" }
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17 foo (0);
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18 if ((a = b))
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19 foo (1);
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20 if (a = a) // { dg-warning "assignment" "correct warning" }
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21 foo (2);
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22 if ((a = a))
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23 foo (3);
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24 if (b = c) // { dg-warning "assignment" "correct warning" }
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25 foo (4);
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26 else
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27 foo (5);
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28 if ((b = c))
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29 foo (6);
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30 else
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31 foo (7);
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32 if (b = b) // { dg-warning "assignment" "correct warning" }
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33 foo (8);
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34 else
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35 foo (9);
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36 if ((b = b))
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37 foo (10);
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38 else
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39 foo (11);
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40 while (c = b) // { dg-warning "assignment" "correct warning" }
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41 foo (12);
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42 while ((c = b))
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43 foo (13);
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44 while (c = c) // { dg-warning "assignment" "correct warning" }
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45 foo (14);
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46 while ((c = c))
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47 foo (15);
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48 do foo (16); while (a = b); // { dg-warning "assignment" "correct warning" }
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49 do foo (17); while ((a = b));
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50 do foo (18); while (a = a); // { dg-warning "assignment" "correct warning" }
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51 do foo (19); while ((a = a));
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52 for (;c = b;) // { dg-warning "assignment" "correct warning" }
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53 foo (20);
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54 for (;(c = b);)
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55 foo (21);
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56 for (;c = c;) // { dg-warning "assignment" "correct warning" }
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57 foo (22);
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58 for (;(c = c);)
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59 foo (23);
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60 d = a = b; // { dg-warning "assignment" "correct warning" }
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61 foo (24);
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62 d = (a = b);
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63 foo (25);
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64 d = a = a; // { dg-warning "assignment" "correct warning" }
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65 foo (26);
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66 d = (a = a);
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67 foo (27);
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68 }