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111
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1 /* { dg-do run } */
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2 /* { dg-skip-if "" { *-*-* } { "*" } { "-O2" } } */
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145
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3 /* { dg-options "-Wno-stringop-overflow -fsanitize=undefined" } */
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111
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4
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5 /* Test PARM_DECLs and RESULT_DECLs. */
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6
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7 struct T { char d[8]; int e; };
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8 struct T t = { "abcdefg", 1 };
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9 #ifdef __cplusplus
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10 struct C { C () : d("abcdefg"), e(1) {} C (const C &x) { __builtin_memcpy (d, x.d, 8); e = x.e; } ~C () {} char d[8]; int e; };
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11 #endif
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12 struct U { int a : 5; int b : 19; int c : 8; };
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13 struct S { struct U d[10]; };
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14 struct S s __attribute__ ((aligned(4096)));
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15
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16 int
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17 f1 (struct T x, int i)
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18 {
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19 char *p = x.d;
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20 p += i;
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21 return *p;
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22 }
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23
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24 /* { dg-output "load of address \[^\n\r]* with insufficient space for an object of type 'char'\[^\n\r]*(\n|\r\n|\r)" } */
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25 /* { dg-output "\[^\n\r]*note: pointer points here\[^\n\r]*(\n|\r\n|\r)" } */
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26 /* { dg-output "\[^\n\r]*\[^\n\r]*(\n|\r\n|\r)" } */
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27 /* { dg-output "\[^\n\r]*\\^\[^\n\r]*(\n|\r\n|\r)" } */
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28
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29 #ifdef __cplusplus
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30 static struct C
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31 f2 (int i)
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32 {
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33 struct C x;
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34 x.d[i] = 'z';
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35 return x;
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36 }
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37
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38 /* { dg-output "\[^\n\r]*index 12 out of bounds for type 'char \\\[8\\\]'\[^\n\r]*(\n|\r\n|\r)" { target { c++ } } } */
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39 /* { dg-output "\[^\n\r]*store to address \[^\n\r]* with insufficient space for an object of type 'char'\[^\n\r]*(\n|\r\n|\r)" { target { c++ } } } */
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40 /* { dg-output "\[^\n\r]*note: pointer points here\[^\n\r]*(\n|\r\n|\r)" { target { c++ } } } */
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41 /* { dg-output "\[^\n\r]*\[^\n\r]*(\n|\r\n|\r)" { target { c++ } } } */
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42 /* { dg-output "\[^\n\r]*\\^\[^\n\r]*(\n|\r\n|\r)" { target { c++ } } } */
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43
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44 static struct C
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45 f3 (int i)
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46 {
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47 struct C x;
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48 char *p = x.d;
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49 p += i;
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50 *p = 'z';
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51 return x;
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52 }
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53
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54 /* { dg-output "\[^\n\r]*store to address \[^\n\r]* with insufficient space for an object of type 'char'\[^\n\r]*(\n|\r\n|\r)" { target { c++ } } } */
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55 /* { dg-output "\[^\n\r]*note: pointer points here\[^\n\r]*(\n|\r\n|\r)" { target { c++ } } } */
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56 /* { dg-output "\[^\n\r]*\[^\n\r]*(\n|\r\n|\r)" { target { c++ } } } */
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57 /* { dg-output "\[^\n\r]*\\^\[^\n\r]*(\n|\r\n|\r)" { target { c++ } } } */
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58
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59 #endif
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60
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61 int
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62 f4 (int i)
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63 {
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64 return s.d[i].b;
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65 }
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66
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67 /* { dg-output "\[^\n\r]*index 12 out of bounds for type 'U \\\[10\\\]'\[^\n\r]*(\n|\r\n|\r)" } */
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68 /* { dg-output "\[^\n\r]*load of address \[^\n\r]* with insufficient space for an object of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
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69 /* { dg-output "\[^\n\r]*note: pointer points here\[^\n\r]*(\n|\r\n|\r)" } */
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70 /* { dg-output "\[^\n\r]*\[^\n\r]*(\n|\r\n|\r)" } */
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71 /* { dg-output "\[^\n\r]*\\^\[^\n\r]*(\n|\r\n|\r)" } */
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72
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73 int
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74 f5 (int i)
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75 {
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76 struct U *u = s.d;
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77 u += i;
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78 return u->b;
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79 }
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80
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81 /* { dg-output "\[^\n\r]*load of address \[^\n\r]* with insufficient space for an object of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
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82 /* { dg-output "\[^\n\r]*note: pointer points here\[^\n\r]*(\n|\r\n|\r)" } */
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83 /* { dg-output "\[^\n\r]*\[^\n\r]*(\n|\r\n|\r)" } */
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84 /* { dg-output "\[^\n\r]*\\^" } */
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85
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86 int
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87 main (void)
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88 {
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89 f1 (t, 12);
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90 #ifdef __cplusplus
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91 f2 (12);
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92 f3 (12);
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93 #endif
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94 f4 (12);
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95 f5 (12);
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96 #ifdef __cplusplus
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97 /* Stack may be smashed by f2/f3 above. */
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98 __builtin_exit (0);
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99 #endif
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100 return 0;
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101 }
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