
The old concretizer creates a cyclic graph when expanding virtuals for `iconv`, which is a bug. This hack drops glibc and musl as possible providers for `iconv` in the old concretizer to work around it.
The old concretizer creates a cyclic graph when expanding virtuals for `iconv`, which is a bug. This hack drops glibc and musl as possible providers for `iconv` in the old concretizer to work around it.