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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.

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[SVN r77339]
This commit is contained in:
Emil Dotchevski
2012-03-15 02:13:52 +00:00
committed by Peter Dimov
parent e197ee3220
commit 4be618b91d
1 changed files with 1 additions and 1 deletions
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2
include/boost/exception/exception.hpp
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@ -430,7 +430,7 @@ boost
class class
clone_impl: clone_impl:
public T, public T,
public clone_base public virtual clone_base
{ {
struct clone_tag { }; struct clone_tag { };
clone_impl( clone_impl const & x, clone_tag ): clone_impl( clone_impl const & x, clone_tag ):