1 files changed, 28 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr22615.C b/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr22615.C
new file mode 100644
index 000000000..a8936c4cb
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr22615.C
@@ -0,0 +1,28 @@
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+/* Ensure that we don't crash when people decide to return the address of padding.  */
+
+struct A
+{
+    char c;
+      int i;
+};
+
+A a;
+
+struct B
+{
+    char c, d;
+};
+
+union C
+{
+    A *p;
+      B *q;
+
+        C() : p(&a) {}
+	  char& foo() { return q->d; }
+};
+void bar() { C().foo() = 0; }
+