Bottom Line: It is 100% safe to clear ~/.cache/zig. The Zig compiler caches intermediate C and LLVM object files in this folder.
What is Zig Global Cache?
Located at ~/.cache/zig (or %LocalAppData%\zig on Windows), Zig caches compiled dependencies and LLVM bytecode objects.
How to Clear Zig Global Cache
rm -rf ~/.cache/zig/*
Discussion
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