clang Var Folders Cache
This folder is typically a temporary clang compiler workspace or cache created under macOS private var folders during builds.
What is clang Var Folders Cache?
This path is usually created by clang, the C, C++, and Objective-C compiler commonly used by Xcode, Command Line Tools, and other developer toolchains. macOS and development tools may place temporary compiler data in /private/var/folders during builds, indexing, testing, or command-line compilation. People often encounter this folder when checking disk usage or investigating files generated by development activity.
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Safety overview
Status: Mostly safe
This is generally temporary build-related data rather than personal documents. Removing stale compiler cache contents is often low risk, but deleting files while a build, test run, or development tool is active can interrupt compilation or force tools to regenerate temporary data.
Recommendation: Keep it if you actively use Xcode, Command Line Tools, or other development workflows that rely on clang. If it appears to be old temporary data and no builds are running, it is usually reasonable to review it and let the related tools recreate what they need later.
File path
/private/var/folders/jb/4mnygrgj01bdk1z6p5jgsl480000gn/C/clang
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