mips64-linux-muslabi64

```
install
└─ install zig
   └─ zig build-exe zig ReleaseFast mips64-linux-musl 1 errors
error: ld.lld: <unknown>:0: out of range PC16 fixup
```

Started happening after the LLVM 19 upgrade, but I couldn't find any functional changes to the relevant backend and LLD code in that release. Could just be coincidence that we run into it now.

Does not happen for `mips64el-linux-musl`.