https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100205
--- Comment #3 from gcc-bugs at marehr dot dialup.fu-berlin.de --- To be more precise my gcc build is: ``` > gcc-git -v Using built-in specs. COLLECT_GCC=/opt/gcc/gcc-git//bin/g++ COLLECT_LTO_WRAPPER=/opt/gcc/gcc-git/lib/gcc/x86_64-pc-linux-gnu/11.0.1/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: /home/marehr/Packages/gcc-git/src/gcc/configure --prefix=/opt/gcc/gcc-git --libdir=/opt/gcc/gcc-git/lib --libexecdir=/opt/gcc/gcc-git/lib --mandir=/opt/gcc/gcc-git/share/man --infodir=/opt/gcc/gcc-git/share/info --with-bugurl=https://bugs.archlinux.org/ --enable-languages=c,c++ --with-isl --with-linker-hash-style=gnu --with-system-zlib --enable-__cxa_atexit --enable-cet=auto --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-default-ssp --enable-gnu-indirect-function --enable-gnu-unique-object --enable-install-libiberty --enable-linker-build-id --enable-lto --enable-multilib --enable-plugin --enable-shared --enable-threads=posix --disable-libssp --disable-libstdcxx-pch --disable-libunwind-exceptions --disable-werror --disable-bootstrap Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 11.0.1 20210421 (prerelease) (GCC) COMPILER_PATH=/opt/gcc/gcc-git/lib/gcc/x86_64-pc-linux-gnu/11.0.1/:/opt/gcc/gcc-git/lib/gcc/x86_64-pc-linux-gnu/11.0.1/:/opt/gcc/gcc-git/lib/gcc/x86_64-pc-linux-gnu/:/opt/gcc/gcc-git/lib/gcc/x86_64-pc-linux-gnu/11.0.1/:/opt/gcc/gcc-git/lib/gcc/x86_64-pc-linux-gnu/ LIBRARY_PATH=/opt/gcc/gcc-git/lib/gcc/x86_64-pc-linux-gnu/11.0.1/:/opt/gcc/gcc-git/lib/gcc/x86_64-pc-linux-gnu/11.0.1/../../../../lib/:/lib/../lib/:/usr/lib/../lib/:/opt/gcc/gcc-git/lib/gcc/x86_64-pc-linux-gnu/11.0.1/../../../:/lib/:/usr/lib/ COLLECT_GCC_OPTIONS='-v' '-shared-libgcc' '-mtune=generic' '-march=x86-64' '-dumpdir' 'a.' /opt/gcc/gcc-git/lib/gcc/x86_64-pc-linux-gnu/11.0.1/collect2 -plugin /opt/gcc/gcc-git/lib/gcc/x86_64-pc-linux-gnu/11.0.1/liblto_plugin.so -plugin-opt=/opt/gcc/gcc-git/lib/gcc/x86_64-pc-linux-gnu/11.0.1/lto-wrapper -plugin-opt=-fresolution=/tmp/cchzTpvd.res -plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lc -plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lgcc --build-id --eh-frame-hdr --hash-style=gnu -m elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2 -pie /lib/../lib/Scrt1.o /lib/../lib/crti.o /opt/gcc/gcc-git/lib/gcc/x86_64-pc-linux-gnu/11.0.1/crtbeginS.o -L/opt/gcc/gcc-git/lib/gcc/x86_64-pc-linux-gnu/11.0.1 -L/opt/gcc/gcc-git/lib/gcc/x86_64-pc-linux-gnu/11.0.1/../../../../lib -L/lib/../lib -L/usr/lib/../lib -L/opt/gcc/gcc-git/lib/gcc/x86_64-pc-linux-gnu/11.0.1/../../.. -rpath /opt/gcc/gcc-git//lib -lstdc++ -lm -lgcc_s -lgcc -lc -lgcc_s -lgcc /opt/gcc/gcc-git/lib/gcc/x86_64-pc-linux-gnu/11.0.1/crtendS.o /lib/../lib/crtn.o /usr/bin/ld: /lib/../lib/Scrt1.o: in function `_start': (.text+0x24): undefined reference to `main' collect2: error: ld returned 1 exit status ``` The build gcc-git-11.0.1.r184220.be8d5f99f50 did work, but the newer build gcc-git-11.0.1.r184427.e826f7355af doesn't any more.
