Fix compilation with older GCC versions: need a constructor.

I don't know exactly why this is needed, but otherwise GCC complains
that there is no default constructor.

1 files changed, 5 insertions, 0 deletions

diff --git a/src/corelib/tools/qsharedpointer_impl.h b/src/corelib/tools/qsharedpointer_impl.h
index 2c9cd95..630ca4f 100644
--- a/src/corelib/tools/qsharedpointer_impl.h
+++ b/src/corelib/tools/qsharedpointer_impl.h
@@ -257,6 +257,11 @@ namespace QtSharedPointer {
             *ptr = &d->data;
             return d;
         }
+
+    private:
+        // prevent construction and the emission of virtual symbols
+        ExternalRefCountWithContiguousData();
+        ~ExternalRefCountWithContiguousData();
     };
 
     template <class T>