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, 54 insertions, 0 deletions

diff --git a/gcc/testsuite/g++.old-deja/g++.mike/virt5.C b/gcc/testsuite/g++.old-deja/g++.mike/virt5.C
new file mode 100644
index 000000000..cee8b3cb1
--- /dev/null
+++ b/gcc/testsuite/g++.old-deja/g++.mike/virt5.C
@@ -0,0 +1,54 @@
+// { dg-do run  }
+// Ensure that virtual base upcast and downcasting works on this
+// conversions during virtual function dispatch at ctor/dtor time
+// when dynamic vtable fixups for deltas are needed.
+
+int fail = 0;
+
+struct BASE1 {
+  virtual ~BASE1 () { }      
+};   
+
+class MID;
+
+class BASE2 {
+public: 
+  virtual MID *VFN (){ return 0; }
+};   
+
+class MIBASE : public BASE1, public BASE2 { };   
+
+class VBB : public MIBASE {
+public:
+  virtual long get_STATE () const = 0;
+  void print_STATE() { if (get_STATE () != 87654321) fail = 1; }
+};   
+
+class VBD : public virtual VBB {
+  long STATE;
+public:
+  long get_STATE() const { return STATE; }
+  VBD() { STATE = 87654321; }
+  ~VBD() { STATE = 87654321; }
+};   
+
+class MID : public virtual VBD {
+public:
+  MID () { print_STATE(); }
+  ~MID () { print_STATE(); }
+  virtual MID *VFN() { return this; }
+};  
+
+class LAST : public MID {
+public:
+  LAST () { print_STATE(); }
+  ~LAST () { print_STATE(); }
+};
+
+int main() {
+  MIBASE *o = new LAST;
+  MID *p = o->VFN();
+  p->print_STATE();
+  delete o;
+  return fail;
+}