Eric Fiselier 337a7c542d Fix filesystem::path assignment from {}
Adding `path::operator=(string_type&&)` made the expression `p = {}`
ambiguous. This path fixes that ambiguity by making the `string&&`
overload a template so it ranks lower during overload resolution.

llvm-svn: 292345
2017-01-18 05:48:55 +00:00
..
2016-05-07 01:04:55 +00:00