1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/warn/Wstrict-aliasing-bogus-base-derived.C b/gcc/testsuite/g++.dg/warn/Wstrict-aliasing-bogus-base-derived.C
new file mode 100644
index 00000000000..18e6caf90f1
--- /dev/null
+++ b/gcc/testsuite/g++.dg/warn/Wstrict-aliasing-bogus-base-derived.C
@@ -0,0 +1,21 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -Wstrict-aliasing -fstrict-aliasing" } */
+
+
+class base {
+ public:
+  int x;
+};
+
+class derived: public base {
+ public:
+  int y;
+};
+
+base foo () {
+  derived d;
+  base* pb = &d;  /* { dg-bogus "base vs. derived" } */
+  pb->x = 1;
+
+  return d;
+}