Function __sanitizer_cov_trace_pc_guard_init 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn __sanitizer_cov_trace_pc_guard_init(
    start: *mut u32,
    stop: *mut u32,
)

Safety

Called by the LLVM SanitizerCoverage runtime at startup. [start, stop) must be a valid range of mutable u32 guard slots allocated by the compiler for the current DSO.