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131
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1 /* PR sanitizer/81275 */
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2 /* { dg-do compile } */
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3 /* { dg-options "-Wreturn-type -fsanitize=thread" } */
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4
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5 int
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6 f1 (int a, int b)
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7 {
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8 switch (a)
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9 {
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10 case 0:
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11 switch (b)
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12 {
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13 case 5:
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14 return 6;
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15 case 7:
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16 return 8;
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17 default:
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18 return 0;
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19 }
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20 break;
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21 default:
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22 return 0;
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23 }
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24 } /* { dg-bogus "control reaches end of non-void function" } */
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25
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26 int
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27 f2 (int a, int b)
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28 {
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29 switch (a)
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30 {
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31 case 0:
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32 switch (b)
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33 {
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34 case 5:
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35 return 6;
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36 case 7:
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37 return 8;
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38 default:
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39 return 0;
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40 }
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41 default:
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42 return 0;
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43 }
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44 } /* { dg-bogus "control reaches end of non-void function" } */
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45
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46 int
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47 f3 (int a, int b)
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48 {
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49 switch (a)
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50 {
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51 case 0:
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52 switch (b)
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53 {
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54 case 5:
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55 return 6;
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56 case 7:
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57 return 8;
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58 case 8:
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59 break;
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60 default:
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61 return 0;
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62 }
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63 break;
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64 default:
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65 return 0;
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66 }
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67 } /* { dg-warning "control reaches end of non-void function" } */
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68
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69 int
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70 f4 (int a, int b)
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71 {
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72 switch (a)
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73 {
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74 case 0:
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75 switch (b)
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76 {
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77 case 5:
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78 return 6;
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79 case 7:
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80 return 8;
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81 }
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82 break;
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83 default:
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84 return 0;
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85 }
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86 } /* { dg-warning "control reaches end of non-void function" } */
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87
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88 int
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89 f5 (int a, unsigned char b)
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90 {
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91 switch (a)
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92 {
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93 case 0:
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94 switch (b)
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95 {
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96 case 0:
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97 return 1;
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98 case 3 ... 10:
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99 return 2;
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100 case 1 ... 2:
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101 return 3;
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102 case 126 ... (unsigned char) ~0:
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103 return 4;
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104 case 11 ... 125:
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105 return 5;
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106 }
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107 break;
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108 default:
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109 return 0;
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110 }
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111 } /* { dg-bogus "control reaches end of non-void function" } */
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