diff -wpruN '--exclude=*.orig' a~/tools/clang-shlib/CMakeLists.txt a/tools/clang-shlib/CMakeLists.txt
--- a~/tools/clang/tools/clang-shlib/CMakeLists.txt	1970-01-01 00:00:00
+++ a/tools/clang/tools/clang-shlib/CMakeLists.txt	1970-01-01 00:00:00
@@ -48,8 +48,3 @@ add_clang_library(clang-cpp
                   ${_OBJECTS}
                   LINK_LIBS
                   ${_DEPS})
-# Optimize function calls for default visibility definitions to avoid PLT and
-# reduce dynamic relocations.
-if (NOT APPLE AND NOT MINGW)
-  target_link_options(clang-cpp PRIVATE LINKER:-Bsymbolic-functions)
-endif()