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From: "tromey at sourceware dot org" <sourceware-bugzilla@sourceware.org>
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Date: Mon, 29 Jun 2020 18:19:53 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D26183

--- Comment #2 from Tom Tromey <tromey at sourceware dot org> ---
The problem was latent before my patch.
I think the issue is that our string_view has to_string,
but C++ officially does not.
https://en.cppreference.com/w/cpp/string/basic_string_view

The gdb one was copied from libstdc++; I don't know if
this represents a local divergence (seems unlikely),
or if upstream / the standard changed.

Probably the solution is to change gdbsupport's string view
to have a "gdb::to_string" free function, then use that
instead.  When using the real string view, this can
simply use a string constructor.

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