Making clone_impl derive virtually from clone_base, so that calling boost::copy_exception with a type that already derives from clone_impl doesn't make pointer conversions to clone_impl ambiguous.

[SVN r77339]
2012-03-15 02:13:52 +00:00
parent 439ef89742
commit c3e35e9d37
2 changed files with 1202 additions and 1202 deletions
--- a/include/boost/exception/exception.hpp
+++ b/include/boost/exception/exception.hpp
@ -430,7 +430,7 @@ boost
        class
        clone_impl:
            public T,
-            public clone_base
+            public virtual clone_base
            {
            struct clone_tag { };
            clone_impl( clone_impl const & x, clone_tag ):