Imported gcc-4.4.3

[msp430-gcc.git] / libmudflap / testsuite / libmudflap.c / pass26-frag.c

diff --git a/libmudflap/testsuite/libmudflap.c/pass26-frag.c b/libmudflap/testsuite/libmudflap.c/pass26-frag.c
new file mode 100644 (file)
index 0000000..5a72f5b
--- /dev/null
+++ b/libmudflap/testsuite/libmudflap.c/pass26-frag.c
@@ -0,0 +1,52 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+int main ()
+{
+volatile int *p;
+
+__mf_set_options ("-wipe-stack -no-check-initialization");
+
+{
+  volatile int array [10];
+  p = & array[0];
+
+  array[0] = 2;
+  array[9] = 5;
+
+  /* Array[] should be wiped clean at this point.  */
+}
+
+__mf_set_options ("-no-wipe-stack");
+
+{ 
+  volatile int array2[10];
+
+ /* hope that this is allocated on top of old array[] */  
+  if (p != & array2[0])
+    exit (0);  /* Test is not applicable. */
+
+  array2[5] = 6;
+
+  /* Old values shouldn't still be around; the new one should.  */
+  if (p[0] == 2 || p[9] == 5 || p[5] != 6)
+    abort() ;
+
+  /* array2[] should not be wiped at this point! */
+}
+
+{ 
+  volatile int array3[10];
+
+ /* hope that this is allocated on top of old array[] and array2[]*/  
+  if (p != & array3[0])
+    exit (0);  /* Test is not applicable. */
+
+  array3[1] = 2;
+
+  /* Check that old assignment is still around.  */
+  if (p[5] != 6 || p[1] != 2)
+    abort() ;
+}
+return 0;
+}