1 files changed, 29 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/torture/pr41186.C b/gcc/testsuite/g++.dg/torture/pr41186.C
new file mode 100644
index 000000000..fdfee2cd3
--- /dev/null
+++ b/gcc/testsuite/g++.dg/torture/pr41186.C
@@ -0,0 +1,29 @@
+/* { dg-do run } */
+
+struct Foo {
+  Foo() {};
+  int i;
+  short f;
+};
+struct Bar : public Foo {
+  Bar() {};
+  short b;
+};
+
+extern "C" void abort(void);
+
+int main()
+{
+  Bar b1, b2;
+  b2.i = 0;
+  b1.f = 0;
+  b1.b = 1;
+  b2.f = 1;
+  b2.b = 2;
+  static_cast<Foo&>(b1) = static_cast<Foo&>(b2);
+  if (b1.i != 0 || b1.b != 1)
+    abort ();
+  if (b1.f != 1)
+    abort ();
+  return 0;
+}