https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101996
--- Comment #5 from Jim Wilson <wilson at gcc dot gnu.org> --- A riscv-gnu-toolchain build with musl looks OK, so it looks like an Alpine Linux problem.
wilson at gcc dot gnu.org via Gcc-bugs Mon, 23 Aug 2021 17:01:31 -0700
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101996
--- Comment #5 from Jim Wilson <wilson at gcc dot gnu.org> --- A riscv-gnu-toolchain build with musl looks OK, so it looks like an Alpine Linux problem.