1 files changed, 34 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/pta-structcopy-1.c b/gcc/testsuite/gcc.dg/torture/pta-structcopy-1.c
new file mode 100644
index 000000000..bdb2acb04
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pta-structcopy-1.c
@@ -0,0 +1,34 @@
+/* { dg-do run } */
+/* { dg-options "-fno-tree-sra -fdump-tree-alias" } */
+/* { dg-skip-if "" { *-*-* } { "-O0" } { "" } } */
+
+struct X
+{
+  long l1;
+  struct Y
+    {
+      long l2;
+      int *p;
+    } y;
+};
+int i;
+static int
+foo (struct X *x)
+{
+  struct Y y = x->y;
+  *y.p = 0;
+  i = 1;
+  return *y.p;
+}
+extern void abort (void);
+int main()
+{
+  struct X x;
+  x.y.p = &i;
+  if (foo(&x) != 1)
+    abort ();
+  return 0;
+}
+
+/* { dg-final { scan-tree-dump "points-to vars: { i }" "alias" } } */
+/* { dg-final { cleanup-tree-dump "alias" } } */