<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hi all,<div class=""><br class=""></div><div class="">This updated patch should address all the review comments.</div><div class=""><br class=""></div><div class="">lto_api_version is added for ld64 to decide if the new api (lto_codegen_optimize and lto_codegen_compile_optimize) is available.</div><div class=""><br class=""></div><div class="">Thanks,</div><div class="">Manman</div><div class=""></div></body></html>