Source: gcc-mingw-w64 Version: 20 Severity: serious https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/gcc-mingw-w64.html
... # niXman’s experimental::filesystem support patch -p0 -d/build/1st/gcc-mingw-w64-20/src < debian/patches/gcc-7-filesystem.patch patching file libstdc++-v3/src/filesystem/fs-posix.h patching file libstdc++-v3/src/filesystem/fs-win32.h patching file libstdc++-v3/src/filesystem/dir.cc patching file libstdc++-v3/src/filesystem/ops.cc Hunk #11 succeeded at 519 (offset 20 lines). Hunk #12 succeeded at 721 (offset 20 lines). Hunk #13 succeeded at 781 (offset 20 lines). Hunk #14 succeeded at 830 (offset 20 lines). Hunk #15 succeeded at 854 (offset 20 lines). Hunk #16 succeeded at 880 (offset 20 lines). Hunk #17 succeeded at 939 (offset 20 lines). Hunk #18 succeeded at 966 (offset 20 lines). Hunk #19 succeeded at 973 (offset 20 lines). Hunk #20 succeeded at 1023 (offset 20 lines). Hunk #21 succeeded at 1073 (offset 20 lines). Hunk #22 succeeded at 1155 (offset 20 lines). Hunk #23 succeeded at 1212 (offset 20 lines). Hunk #24 FAILED at 1214. Hunk #25 FAILED at 1252. Hunk #26 succeeded at 1364 (offset 65 lines). Hunk #27 succeeded at 1385 (offset 65 lines). Hunk #28 succeeded at 1438 (offset 65 lines). Hunk #29 succeeded at 1456 (offset 65 lines). Hunk #30 succeeded at 1463 (offset 65 lines). Hunk #31 succeeded at 1477 (offset 65 lines). Hunk #32 succeeded at 1537 (offset 65 lines). Hunk #33 succeeded at 1554 (offset 65 lines). 2 out of 33 hunks FAILED -- saving rejects to file libstdc++-v3/src/filesystem/ops.cc.rej patching file libstdc++-v3/src/filesystem/path.cc debian/rules:227: recipe for target 'mingw-w64-patch-stamp' failed make: *** [mingw-w64-patch-stamp] Error 1