https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102957
Bug ID: 102957 Summary: [riscv64] ICE on bogus -march value Product: gcc Version: 11.2.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: driver Assignee: unassigned at gcc dot gnu.org Reporter: jengelh at inai dot de Target Milestone: --- > g++ -v Using built-in specs. COLLECT_GCC=g++ COLLECT_LTO_WRAPPER=/usr/lib64/gcc/riscv64-suse-linux/11/lto-wrapper Target: riscv64-suse-linux Configured with: ../configure --prefix=/usr --infodir=/usr/share/info --mandir=/usr/share/man --libdir=/usr/lib64 --libexecdir=/usr/lib64 --enable-languages=c,c++,objc,fortran,obj-c++,ada,go,d,jit --enable-host-shared --enable-checking=release --disable-werror --with-gxx-include-dir=/usr/include/c++/11 --enable-ssp --disable-libssp --disable-libvtv --enable-cet=auto --disable-libcc1 --enable-plugin --with-bugurl=https://bugs.opensuse.org/ --with-pkgversion='SUSE Linux' --with-slibdir=/lib64 --with-system-zlib --enable-libstdcxx-allocator=new --disable-libstdcxx-pch --enable-libphobos --enable-version-specific-runtime-libs --with-gcc-major-version-only --enable-linker-build-id --enable-linux-futex --program-suffix=-11 --without-system-libunwind --disable-multilib --enable-link-mutex --build=riscv64-suse-linux --host=riscv64-suse-linux Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 11.2.1 20210816 [revision 056e324ce46a7924b5cf10f61010cf9dd2ca10e9] (SUSE Linux) > g++ -v -march=rv64gzb Using built-in specs. g++: internal compiler error: in multi_letter_subset_rank, at common/config/riscv/riscv-common.c:200 Please submit a full bug report, Yeah, zb is not valid (should be zbb), but should rather yield a normal message than an ICE.