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annotate gcc/testsuite/gcc.dg/Warray-bounds-37.c @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
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145
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1 /* PR tree-optimization/88800 - Spurious -Werror=array-bounds for non-taken
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2 branch
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3 { dg-do compile }
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4 { dg-options "-O2 -Wall" } */
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5
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6 extern void* memmove (void*, const void*, __SIZE_TYPE__);
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7
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8 struct A
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9 {
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10 const char *s;
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11 int n;
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12 };
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13
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14 void f (void*);
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15
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16 struct B
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17 {
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18 char d[5];
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19 int n;
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20 };
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21
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22 __attribute__ ((always_inline)) inline void
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23 g (struct B *p, struct A a)
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24 {
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25 int i = a.n;
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26 if (i <= 5)
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27 p->n = i;
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28 else {
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29 p->n = -1;
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30 f (p);
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31 }
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32
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33 if (p->n >= 0)
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34 memmove (p->d, a.s, a.n); /* { dg-bogus "\\\[-Warray-bounds" } */
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35 }
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36
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37 void h (void)
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38 {
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39 char c[8] = "";
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40
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41 struct A a;
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42 a.s = c;
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43 a.n = 8;
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44
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45 struct B b;
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46 g (&b, a);
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47 }