obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.

1 files changed, 63 insertions, 0 deletions

diff --git a/gcc/testsuite/g++.dg/opt/pr23299.C b/gcc/testsuite/g++.dg/opt/pr23299.C
new file mode 100644
index 000000000..94a414aa5
--- /dev/null
+++ b/gcc/testsuite/g++.dg/opt/pr23299.C
@@ -0,0 +1,63 @@
+// PR rtl-optimization/23299
+// { dg-do run }
+// { dg-options "-Os" }
+
+extern "C" void abort ();
+
+struct A
+{
+  virtual int a () {}
+};
+struct B : public A
+{
+  virtual int b () {}
+};
+struct C : public A
+{
+  virtual int c () {}
+};
+struct D
+{
+  D () { d = 64; }
+  ~D ();
+  int d;
+};
+
+int x;
+D::~D ()
+{
+  x |= 1;
+  if (d != 64)
+    abort ();
+}
+
+struct E : public B, public C
+{
+  E () {}
+  virtual int c ();
+  ~E ();
+  D dv;
+};
+
+E::~E ()
+{
+  int r = c ();
+}
+
+int
+E::c ()
+{
+  if (x > 10)
+    throw 1;
+  x |= 2;
+}
+
+int
+main (void)
+{
+  {
+    E e;
+  }
+  if (x != 3)
+    abort ();
+}