1 files changed, 79 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/ipa/devirt-c-5.C b/gcc-4.9/gcc/testsuite/g++.dg/ipa/devirt-c-5.C
new file mode 100644
index 000000000..637d7d4be
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/ipa/devirt-c-5.C
@@ -0,0 +1,79 @@
+/* Verify that ipa-cp correctly detects the dynamic type of an object
+   under construction when doing devirtualization.  */
+/* { dg-do run } */
+/* { dg-options "-O3 -fno-early-inlining -fno-inline"  } */
+
+extern "C" void abort (void);
+
+class B;
+
+class A
+{
+public:
+  int data;
+  A();
+  A(B *b);
+  virtual int foo (int i);
+};
+
+class B : public A
+{
+public:
+  virtual int foo (int i);
+};
+
+class C : public A
+{
+public:
+  virtual int foo (int i);
+};
+
+int A::foo (int i)
+{
+  return i + 1;
+}
+
+int B::foo (int i)
+{
+  return i + 2;
+}
+
+int C::foo (int i)
+{
+  return i + 3;
+}
+
+static int middleman (class A *obj, int i)
+{
+  return obj->foo (i);
+}
+
+int __attribute__ ((noinline,noclone)) get_input(void)
+{
+  return 1;
+}
+
+A::A ()
+{
+}
+
+A::A (B *b)
+{
+  if (middleman (b, get_input ()) != 3)
+    abort ();
+}
+
+static void bah ()
+{
+  B b;
+  A a(&b);
+}
+
+int main (int argc, char *argv[])
+{
+  int i;
+
+  for (i = 0; i < 10; i++)
+    bah ();
+  return 0;
+}