1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/alias-14.c b/gcc/testsuite/gcc.dg/tree-ssa/alias-14.c
new file mode 100644
index 0000000..a1216b7
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/alias-14.c
@@ -0,0 +1,20 @@
+/* { dg-do run } */
+/* { dg-options "-O2" } */
+
+struct s
+{
+  long long a:12;
+  long long b:12;
+  long long c:40;
+};
+
+struct s s, *p = &s;
+
+int
+main ()
+{
+  p->a = 1;
+  s.a = 0;
+  s.b = 0;
+  return p->a + s.b;
+}