bughunt: use a single SingletonSub instance in two compilation units --> HIT

basically this reproduces the problem in a simplified setup.
Especially note that we're going through a single instance of the factory,
yet still this single instance 'sees' two different locations of the
class static variable

research/clang-static-init-1.cpp

@@ -16,9 +16,7 @@ main (int, char**)
   {
     cout <<  "\n.gulp.\n";
     
-    Factory fab1;
-    Subject& ref1 = fab1();
-    
+    Subject& ref1 = fab();
     Subject& sub2 = test::fabricate();
     
     cout << "sub1="<< &ref1 << " sub2="<< &sub2 <<"\n";

research/clang-static-init-2.cpp

@@ -20,15 +20,16 @@ namespace test {
    
   
   namespace {
-//  Holder<Subject> fab2;
-    Factory fab2;
+      lib::singleton::UseSubclass<Subject> typeID;
   }
   
+  Factory fab(typeID);
+  
   
   Subject&
   fabricate()
   {
-    return fab2();
+    return fab();
   }
   
   

research/clang-static-init.hpp

@@ -34,7 +34,10 @@ namespace test {
       
     };
   
-  typedef lib::Singleton<Subject> Factory;
+  typedef lib::SingletonSub<Subject> Factory;
+  
+  extern Factory fab;
+  
   
   
   Subject& fabricate();