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111
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1 /* { dg-do run } */
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2 /* { dg-options "-fplan9-extensions" } */
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3
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4 /* When using -fplan9-extensions, we support automatic conversion of
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5 pointer types, and we support referring to a typedef name
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6 directly. */
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7
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8 extern void exit (int);
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9 extern void abort (void);
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10
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11 struct A { char a; };
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12
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13 struct B {
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14 char b;
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15 struct A;
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16 char c;
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17 };
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18
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19 void
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20 f1 (struct A *p)
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21 {
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22 p->a = 1;
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23 }
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24
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25 void
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26 test1 (void)
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27 {
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28 struct B b;
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29 struct A *p;
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30
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31 b.b = 2;
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32 b.c = 3;
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33 f1 (&b);
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34 if (b.a != 1)
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35 abort ();
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36 if (b.b != 2 || b.c != 3)
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37 abort ();
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38 p = &b;
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39 if (p->a != 1)
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40 abort ();
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41 }
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42
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43 typedef struct { char d; } D;
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44
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45 struct E {
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46 char b;
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47 struct F { char f; };
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48 char c;
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49 union {
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50 D;
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51 };
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52 char e;
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53 };
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54
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55 void
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56 f2 (struct F *p)
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57 {
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58 p->f = 6;
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59 }
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60
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61 void
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62 f3 (D *p)
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63 {
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64 p->d = 4;
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65 }
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66
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67 void
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68 f4 (D d)
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69 {
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70 }
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71
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72 void
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73 test2 (void)
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74 {
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75 struct E e;
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76 struct F *pf;
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77 D *pd;
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78 D d;
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79
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80 e.b = 2;
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81 e.c = 3;
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82 e.e = 5;
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83 f2 (&e);
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84 f3 (&e);
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85 if (e.d != 4)
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86 abort ();
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87 if (e.f != 6)
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88 abort ();
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89 if (e.b != 2 || e.c != 3 || e.e != 5)
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90 abort ();
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91 pf = &e;
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92 if (pf->f != 6)
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93 abort ();
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94 pd = &e;
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95 if (pd->d != 4)
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96 abort ();
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97 d = e.D;
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98 f3 (&e.D);
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99 f4 (e.D);
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100 }
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101
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102 int
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103 main ()
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104 {
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105 test1 ();
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106 test2 ();
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107 exit (0);
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108 }
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