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1 /* Copyright (C) 2003 Free Software Foundation.
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2
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3 Verify that the malloc-like __builtin_ allocation functions are
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4 correctly aliased by the compiler.
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5
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6 Written by Roger Sayle, 12th April 2003. */
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7
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8 /* { dg-do link } */
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9 /* { dg-options "-ansi" } */
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10
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11 typedef __SIZE_TYPE__ size_t;
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12
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13 extern void abort (void);
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14 extern void *malloc (size_t);
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15 extern void *calloc (size_t,size_t);
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16
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17 extern void link_error (void);
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18
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19 static int x;
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20
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21 void test1(void)
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22 {
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23 int *ptr1, *ptr2;
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24
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25 ptr1 = &x;
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26 ptr2 = (int*) malloc (sizeof (int));
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27
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28 *ptr1 = 12;
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29 *ptr2 = 8;
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30
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31 if (*ptr1 != 12)
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32 link_error();
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33 }
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34
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35 void test2(void)
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36 {
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37 int *ptr1, *ptr2;
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38
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39 ptr1 = &x;
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40 ptr2 = (int*) calloc (1, sizeof (int));
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41
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42 *ptr1 = 12;
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43 *ptr2 = 8;
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44
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45 if (*ptr1 != 12)
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46 link_error ();
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47 }
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48
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49 int main()
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50 {
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51 test1 ();
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52 test2 ();
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53 return 0;
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54 }
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55
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56 #ifndef __OPTIMIZE__
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57 void link_error (void)
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58 {
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59 abort ();
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60 }
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61 #endif
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62
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