[Bug libstdc++/69703] New: char16_t conversions broken in filesystem::path

[eric at efcs dot ca]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69703

            Bug ID: 69703
           Summary: char16_t conversions broken in filesystem::path
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libstdc++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: eric at efcs dot ca
  Target Milestone: ---

Created attachment 37605
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37605&action=edit
reproducer.cpp

Hi Jonathan,

While running the libc++ filesystem tests against libstdc++ I found that my
character conversion tests worked for wchar_t and char32_t but not char16_t.

IDK a lot about character encoding, so I apologize if the bug is on my end.