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annotate gcc/testsuite/gcc.dg/builtin-object-size-14.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 /* { dg-do run } */
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2 /* { dg-options "-O2" } */
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3
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4 extern void abort (void);
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5 extern char *strncpy(char *, const char *, __SIZE_TYPE__);
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6
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7 union u {
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8 struct {
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9 char vi[8];
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10 char pi[16];
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11 };
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12 char all[8+16+4];
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13 };
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14
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15 void __attribute__((noinline,noclone))
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16 f(union u *u)
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17 {
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18 char vi[8+1];
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19 __builtin_strncpy(vi, u->vi, sizeof(u->vi));
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20 if (__builtin_object_size (u->all, 1) != -1)
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21 abort ();
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22 }
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23 int main()
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24 {
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25 union u u;
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26 f (&u);
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27 return 0;
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28 }