Mercurial > hg > CbC > CbC_gcc
diff libmudflap/testsuite/libmudflap.c/fail39-frag.c @ 0:a06113de4d67
first commit
author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Fri, 17 Jul 2009 14:47:48 +0900 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libmudflap/testsuite/libmudflap.c/fail39-frag.c Fri Jul 17 14:47:48 2009 +0900 @@ -0,0 +1,20 @@ +#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 *-*-* } } */