1 files changed, 25 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/torture/pr50067-4.c b/gcc-4.9/gcc/testsuite/gcc.dg/torture/pr50067-4.c
new file mode 100644
index 000000000..1571d72f1
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/torture/pr50067-4.c
@@ -0,0 +1,25 @@
+/* { dg-do run } */
+
+/* Verify we do not get a bogus access function with 0B vs. 1B which
+   disambiguates both accesses and leads to vectorization.  */
+
+extern int memcmp(const void *, const void *, __SIZE_TYPE__);
+extern void abort (void);
+short a[33] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 };
+short b[33] = { 0, };
+int main()
+{
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+  int i;
+  if (sizeof (short) == 2)
+    {
+      for (i = 0; i < 64; ++i)
+	{
+	  (*((char(*)[])&a[1]))[i] = (*((char(*)[])&a[0]))[i+1];
+	}
+      if (memcmp (&a, &b, sizeof (a)) != 0)
+	abort ();
+    }
+#endif
+  return 0;
+}