[Bug libstdc++/119724] New: Missing upstreamed fast float changes leading to broken aarch64-w64-mingw32 build

[Evgeny.Karpov at microsoft dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119724

            Bug ID: 119724
           Summary: Missing upstreamed fast float changes leading to
                    broken aarch64-w64-mingw32 build
           Product: gcc
           Version: 15.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libstdc++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: Evgeny.Karpov at microsoft dot com
                CC: jwakely at redhat dot com
  Target Milestone: ---
            Target: aarch64-w64-mingw32

The aarch64-w64-mingw32 target build requires fast_float changes that have been
upstreamed and were supposed to be included in libstdc++ since September 2024,
however this did not happen.  
https://gcc.gnu.org/pipermail/libstdc++/2025-April/060958.html