stage2: no condition on system libs to link native libc
Before, Zig tried to use its own libc files (e.g. glibc) when there were
no system libs being linked. This prevented building against native
glibc on systems that have newer glibc than the ones Zig provides.
Closes #12797
aec0e595f2Andrew Kelley committed on 9/11/2022, 8:39:58 PMparent4fd4c73