diff --git a/cmake/config.cmake b/cmake/config.cmake
index 9823764f..d7293eac 100644
--- a/cmake/config.cmake
+++ b/cmake/config.cmake
@@ -47,4 +47,6 @@ if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
     if(MOLD_LINKER)
         set(CMAKE_LINKER_TYPE "MOLD")
     endif()
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-eliminate-unused-debug-types")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-eliminate-unused-debug-types")
 endif()