1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/abi/packed1.C b/gcc/testsuite/g++.dg/abi/packed1.C
new file mode 100644
index 000000000..834537532
--- /dev/null
+++ b/gcc/testsuite/g++.dg/abi/packed1.C
@@ -0,0 +1,24 @@
+// PR c++/41788
+// { dg-do run }
+// { dg-options "-Wpacked -Wno-attributes" }
+
+extern "C" void abort ();
+
+struct INNER {
+  virtual int foo() const { return 1; }
+} __attribute__ ((packed));
+
+struct OUTER {
+  char c;
+  INNER inner;
+} __attribute__ ((packed));
+
+int main()
+{
+  OUTER outer;
+  int s = sizeof(outer);
+  int o = (char *)&outer.inner - (char *)&outer;
+  if (s != sizeof (char) + sizeof (void*)
+      || o != sizeof (char))
+    abort ();
+}