[Bug libstdc++/79162] [7 Regression] [C++17] ambiguity in string assignment due to string_view overload

[david.abdurachmanov at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79162

--- Comment #11 from David Abdurachmanov <david.abdurachmanov at gmail dot com> 
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Created attachment 41461
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41461&action=edit
Minimized file from LLVM