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.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@96620 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 14 insertions, 0 deletions

diff --git a/libmudflap/testsuite/libmudflap.c/pass56-frag.c b/libmudflap/testsuite/libmudflap.c/pass56-frag.c
new file mode 100644
index 00000000000..e22fc8dbfd6
--- /dev/null
+++ b/libmudflap/testsuite/libmudflap.c/pass56-frag.c
@@ -0,0 +1,14 @@
+#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.  */
+  return 0;
+}