9.0.0 was released at 19 of September, but in ports r9.0.0rc4 yet.
Created attachment 207726 [details] v1 Changes since RC4: https://github.com/llvm/llvm-project/compare/llvmorg-9.0.0-rc4...llvmorg-9.0.0 I've also included bug 240737 fix. Built fine using poudriere at least on 11.2 i386/amd64.
A commit references this bug: Author: brooks Date: Wed Sep 25 17:20:27 UTC 2019 New revision: 512799 URL: https://svnweb.freebsd.org/changeset/ports/512799 Log: Update to 9.0.0 release. Attempt to fix linkin of openmp when the linker isn't LLD. Enable LLD_LINK by default. It is increasingly the case that lld is a safe choice so just go with it. Enable SecurePLT on PowerPC for FreeBSD 13 and up. PR: 240730, 240737 Changes: head/devel/llvm90/Makefile head/devel/llvm90/distinfo head/devel/llvm90/files/clang/patch-tools_clang_lib_Driver_ToolChains_Arch_PPC.cpp head/devel/llvm90/files/openmp/patch-projects_openmp_runtime_cmake_LibompHandleFlags.cmake