1 files changed, 25 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/vect/pr48377.c b/gcc-4.9/gcc/testsuite/gcc.dg/vect/pr48377.c
new file mode 100644
index 000000000..24846cd04
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/vect/pr48377.c
@@ -0,0 +1,25 @@
+/* PR tree-optimization/48377 */
+/* { dg-require-effective-target non_strict_align } */
+
+typedef unsigned int U __attribute__((__aligned__ (1), __may_alias__));
+
+__attribute__((noinline, noclone)) unsigned int
+foo (const char *s, int len)
+{
+  const U *p = (const U *) s;
+  unsigned int f = len / sizeof (unsigned int), hash = len, i;
+
+  for (i = 0; i < f; ++i)
+    hash += *p++;
+  return hash;
+}
+
+char buf[64] __attribute__((aligned (32)));
+
+int
+main (void)
+{
+  return foo (buf + 1, 26) != 26;
+}
+
+/* { dg-final { cleanup-tree-dump "vect" } } */