X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=libmudflap%2Ftestsuite%2Flibmudflap.c%2Ffail33-frag.c;fp=libmudflap%2Ftestsuite%2Flibmudflap.c%2Ffail33-frag.c;h=ac7c617a4ebb72bf828da10ecb4d291e76a43594;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=0000000000000000000000000000000000000000;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git

diff --git a/libmudflap/testsuite/libmudflap.c/fail33-frag.c b/libmudflap/testsuite/libmudflap.c/fail33-frag.c
new file mode 100644
index 00000000..ac7c617a
--- /dev/null
+++ b/libmudflap/testsuite/libmudflap.c/fail33-frag.c
@@ -0,0 +1,25 @@
+#include <stdlib.h>
+
+#define SIZE 16
+
+char b[SIZE];
+char a[SIZE];
+
+int main ()
+{
+  int i, j=0, k;
+  int a_before_b = (& a[0] < & b[0]);
+  /* Rather than iterating linearly, which would allow loop unrolling
+     and mapping to pointer manipulation, we traverse the "joined"
+     arrays in some random order.  */
+  for (i=0; i<SIZE*2; i++)
+    {
+      k = rand() % (SIZE*2);
+      j += (a_before_b ? a[k] : b[k]);
+    }
+  return j;
+}
+/* { dg-output "mudflap violation 1.*" } */
+/* { dg-output "Nearby object.*" } */
+/* { dg-output "mudflap object.*\[ab\]" } */
+/* { dg-do run { xfail *-*-* } } */