1 files changed, 33 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/torture/pr58041.c b/gcc-4.9/gcc/testsuite/gcc.dg/torture/pr58041.c
new file mode 100644
index 000000000..169a71ae7
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/torture/pr58041.c
@@ -0,0 +1,33 @@
+/* { dg-do run } */
+
+typedef long long V
+  __attribute__ ((vector_size (2 * sizeof (long long)), may_alias));
+
+struct s
+{
+  char u;
+  V v[2];
+} __attribute__((packed,aligned(1)));
+
+__attribute__((noinline, noclone))
+long long foo(struct s *x, int y, V *z)
+{
+  V a = x->v[y];
+  x->v[y] = *z;
+  return a[1];
+}
+
+struct s a = {0,{{0,0},{0,0}}};
+int main()
+{
+  V v1 = {0,1};
+  V v2 = {0,2};
+
+  if (foo(&a,0,&v1) != 0)
+    __builtin_abort();
+  if (foo(&a,0,&v2) != 1)
+    __builtin_abort();
+  if (foo(&a,1,&v1) != 0)
+    __builtin_abort();
+  return 0;
+}