1 files changed, 25 insertions, 0 deletions
diff --git a/test/safestack/buffer-copy.c b/test/safestack/buffer-copy.c
new file mode 100644
index 0000000..96b2302
--- /dev/null
+++ b/test/safestack/buffer-copy.c
@@ -0,0 +1,25 @@
+// RUN: %clang_safestack %s -o %t
+// RUN: %run %t
+
+#include "utils.h"
+
+// Test that loads/stores work correctly for variables on the unsafe stack.
+
+int main(int argc, char **argv)
+{
+  int i;
+  char buffer[128];
+
+  // check that we can write to a buffer
+  for (i = 0; argv[0][i] && i < sizeof (buffer) - 1; ++i)
+    buffer[i] = argv[0][i];
+  buffer[i] = '\0';
+
+  break_optimization(buffer);
+
+  // check that we can read from a buffer
+  for (i = 0; argv[0][i] && i < sizeof (buffer) - 1; ++i)
+    if (buffer[i] != argv[0][i])
+      return 1;
+  return 0;
+}