1 files changed, 29 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/pr33870.c b/gcc/testsuite/gcc.dg/torture/pr33870.c
new file mode 100644
index 000000000..9c0e30d94
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr33870.c
@@ -0,0 +1,29 @@
+/* { dg-do run } */
+
+struct X {
+  int i;
+  int a[4];
+} m;
+
+int a[4];
+
+int __attribute__((noinline)) foo(int b)
+{
+  int (*p)[4] = b ? &a : &m.a;
+  a[3] = 0;
+  (*p)[3] = 1;
+  return (*p)[3] + (*p)[2] + (*p)[1] + a[0] + a[3];
+}
+
+extern void abort (void);
+
+int main()
+{
+  int i;
+  for (i = 0; i < 4; ++i)
+    a[i] = 0;
+  if (foo(1) != 2)
+    abort ();
+  return 0;
+}
+