1 files changed, 33 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/ipa/ipa-structreorg-08-modify-double-struct-0.c b/gcc/testsuite/gcc.dg/ipa/ipa-structreorg-08-modify-double-struct-0.c
new file mode 100644
index 00000000000..17217924eba
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/ipa/ipa-structreorg-08-modify-double-struct-0.c
@@ -0,0 +1,33 @@
+/* { dg-do run } */
+/* { dg-options  "-flto -fipa-type-escape-analysis -fdump-ipa-type-escape-analysis -Wno-dfa -fipa-dlo-tests" } */
+
+#include <assert.h>
+#include <stdio.h>
+int
+main ()
+{
+  struct inner_s
+  {
+    _Bool a;
+    _Bool b;
+    _Bool c;
+    _Bool d;
+  };
+  struct astruct_s
+  {
+    struct inner_s a;
+    struct inner_s b;
+    struct inner_s c;
+    struct inner_s d;
+  };
+  struct astruct_s astruct;
+  // printf("%d %d %d\n", &astruct.a, &astruct.c, &astruct.d);
+  struct inner_s *a_ptr = &(astruct.a);
+  struct inner_s *c_ptr = &(astruct.c);
+  struct inner_s *d_ptr = &(astruct.d);
+  printf ("%d %d %d %d\n", a_ptr->a, a_ptr->b, a_ptr->c, a_ptr->d);
+  struct inner_s *c_ptr_2 = a_ptr + 1;
+  struct inner_s *a_ptr_2 = d_ptr - 2;
+  assert (c_ptr_2 == c_ptr);
+  assert (a_ptr == a_ptr_2);
+}