forked from OSchip/llvm-project
4ae5ec8268
A 'decltype(auto)' parameter can match any other kind of non-type template parameter, so should be usable in place of any other parameter in a template template argument. The standard is sadly extremely unclear on how this is supposed to work, but this seems like the obviously-correct result. It's less clear whether an 'auto' parameter should be able to match 'decltype(auto)', since the former cannot be used if the latter turns out to be used for a reference type, but if we disallow that then consistency suggests we should also disallow 'auto' matching 'T' for the same reason, defeating intended use cases of the feature. llvm-svn: 295866 |
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