Taken from https://gitweb.gentoo.org/repo/gentoo.git/tree/sys-devel/llvm-roc/files

diff --color -uprN orig/lib/Target/AMDGPU/Disassembler/CMakeLists.txt llvm/lib/Target/AMDGPU/Disassembler/CMakeLists.txt
--- a/llvm/lib/Target/AMDGPU/Disassembler/CMakeLists.txt	2021-06-14 11:57:54.222796911 +0800
+++ b/llvm/lib/Target/AMDGPU/Disassembler/CMakeLists.txt	2021-06-14 11:58:35.206796875 +0800
@@ -11,6 +11,7 @@ add_llvm_component_library(LLVMAMDGPUDis
   MC
   MCDisassembler
   Support
+  Object
 
   ADD_TO_COMPONENT
   AMDGPU