Function llvm_sys::lto::thinlto_codegen_set_savetemps_dir

pub unsafe extern "C" fn thinlto_codegen_set_savetemps_dir(
    cg: thinlto_code_gen_t, 
    save_temps_dir: *const c_char
)

Set the path to a directory to use as temporary bitcode storage.

This is meant to make the bitcode files available for debugging.