1 files changed, 32 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/ipa/pr51929.C b/gcc-4.9/gcc/testsuite/g++.dg/ipa/pr51929.C
new file mode 100644
index 000000000..cfc3df212
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/ipa/pr51929.C
@@ -0,0 +1,32 @@
+// PR middle-end/51929
+// { dg-do compile }
+// { dg-options "-O -fno-guess-branch-probability -fipa-cp -fipa-cp-clone --param=max-inline-insns-single=25" }
+
+struct A
+{
+  A (A, unsigned);
+  A (const char *);
+  ~A () { a1 (a4 ()); }
+  void a1 (int);
+  unsigned a2 ();
+  char *a3 ();
+  int a4 ();
+};
+
+template <typename T>
+struct B
+{
+  A b;
+  B (A x, int y = 1) : b (x.a3 (), x.a2 ()) { if (y & 1) b.a2 (); }
+};
+
+extern template struct B <char>;
+A a1 ("foo"), a2 ("bar");
+B<char> b1 (a1), b2 (a2, 8);
+
+void
+foo ()
+{
+  A a3 ("baz");
+  B<char> b3 (a1), b4 (a3);
+}