Maintainers for libn32stdc++-12-dev are Debian GCC Maintainers <[email protected]>.
You may want to refer to the following packages that are part of the same source: cpp-12, g++-12, g++-12-multilib, gcc-12, gcc-12-base, gcc-12-hppa64-linux-gnu, gcc-12-locales, gcc-12-multilib, gcc-12-offload-amdgcn, gcc-12-offload-nvptx, gcc-12-plugin-dev, gcc-12-source, gcc-12-test-results, gccgo-12, gccgo-12-multilib, gdc-12, gdc-12-multilib, gfortran-12, gfortran-12-multilib, gm2-12, gm2-12-doc, gnat-12, gobjc++-12, gobjc++-12-multilib, gobjc-12, gobjc-12-multilib, lib32gcc-12-dev, lib32gfortran-12-dev, lib32go-12-dev, lib32go21, lib32gphobos-12-dev, lib32gphobos3, lib32lsan0, lib32objc-12-dev, lib32stdc++-12-dev, lib32stdc++6-12-dbg, lib64gcc-12-dev, lib64gfortran-12-dev, lib64go-12-dev, lib64go21, lib64gphobos-12-dev, lib64gphobos3, lib64objc-12-dev, lib64stdc++-12-dev, lib64stdc++6-12-dbg, libgcc-12-dev, libgccjit-12-dev, libgccjit-12-doc, libgfortran-12-dev, libgm2-12-dev, libgm2-17, libgnat-12, libgo-12-dev, libgo21, libgphobos-12-dev, libgphobos3, libn32gcc-12-dev, libn32gfortran-12-dev, libn32go-12-dev, libn32go21, libn32gphobos-12-dev, libn32gphobos3, libn32objc-12-dev, libn32stdc++6-12-dbg, libobjc-12-dev, libstdc++-12-dev, libstdc++-12-doc, libstdc++-12-pic, libstdc++6-12-dbg, libx32gcc-12-dev, libx32gfortran-12-dev, libx32go-12-dev, libx32go21, libx32gphobos-12-dev, libx32gphobos3, libx32lsan0, libx32objc-12-dev, libx32stdc++-12-dev, libx32stdc++6-12-dbg.
You might like to refer to the libn32stdc++-12-dev package page, to the Package Tracking System, or to the source package src:gcc-12's bug page.
If you find a bug not listed here, please report it.