gcc/libmudflap/testsuite/libmudflap.c/fail39-frag.c
Frank Ch. Eigler 0ee4e76d11 mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
2005-03-17  Frank Ch. Eigler  <fche@redhat.com>

	* mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
	* testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.

From-SVN: r96620
2005-03-17 17:20:49 +00:00

21 lines
571 B
C

#include <stdio.h>
#include <stdlib.h>
int main ()
{
volatile int *k = (int *) malloc (sizeof (int));
volatile int l;
if (k == NULL) abort ();
*k = 5;
free ((void *) k);
__mf_set_options ("-ignore-reads");
l = *k; /* Should not trip, even though memory region just freed. */
__mf_set_options ("-no-ignore-reads");
l = *k; /* Should trip now. */
return 0;
}
/* { dg-output "mudflap violation 1.*check/read.*" } */
/* { dg-output "Nearby object 1.*" } */
/* { dg-output "mudflap dead object.*malloc region.*" } */
/* { dg-do run { xfail *-*-* } } */