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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [libmudflap/] [testsuite/] [libmudflap.c/] [fail26-frag.c] - Rev 14

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main ()
{
char *foo;
 
__mf_set_options ("-check-initialization");
foo = (char *)malloc (1);
 
/* These two operations each expand to a read-modify-write.
 * Even though the end result is that every bit of foo[0] is
 * eventually written to deterministically, the first read
 * triggers an uninit error.  Ideally, it shouldn't, so this
 * should be treated more like a regular XFAIL.  */
foo[0] &= 0xfe;
foo[0] |= 0x01;
 
return foo[0];
}
/* { dg-output "mudflap violation 1.*" } */
/* { dg-output "Nearby object.*" } */
/* { dg-output "mudflap object.*malloc region.*1r/0w.*" } */
/* { dg-do run { xfail *-*-* } } */
 

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