Function llvm_sys::lto::thinlto_codegen_set_cache_size_files

pub unsafe extern "C" fn thinlto_codegen_set_cache_size_files(
    cg: thinlto_code_gen_t, 
    max_size_files: c_uint
)

Sets the maximum number of files in the cache directory. An unspecified default value will be applied. A value of 0 will be ignored.