[Bug libgcc/100341] New: build fails of error: '__LIBGCC_DF_EPSILON__' undeclared (first use in this function) for mingw-w64

[unlvsur at live dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100341

            Bug ID: 100341
           Summary: build fails of error: '__LIBGCC_DF_EPSILON__'
                    undeclared (first use in this function) for mingw-w64
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libgcc
          Assignee: unassigned at gcc dot gnu.org
          Reporter: unlvsur at live dot com
  Target Milestone: ---

Created attachment 50711
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50711&action=edit
error message

It looks like it is this patch that breaks the code
https://github.com/gcc-mirror/gcc/commit/54f0224d55a1b56dde092460ddf76913670e6efc#diff-b39028e53782355458efc72ceb1bd540350adb73d0db52e04372045adbd50d39