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1 #include <stdio.h>
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2 #include <stdlib.h>
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3
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4 int main ()
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5 {
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6 volatile int *k = (int *) malloc (sizeof (int));
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7 volatile int l;
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8 if (k == NULL) abort ();
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9 *k = 5;
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10 free ((void *) k);
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11 __mf_set_options ("-ignore-reads");
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12 l = *k; /* Should not trip, even though memory region just freed. */
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13 __mf_set_options ("-no-ignore-reads");
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14 l = *k; /* Should trip now. */
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15 return 0;
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16 }
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17 /* { dg-output "mudflap violation 1.*check/read.*" } */
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18 /* { dg-output "Nearby object 1.*" } */
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19 /* { dg-output "mudflap dead object.*malloc region.*" } */
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20 /* { dg-do run { xfail *-*-* } } */
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