Revert "remove symbols from final output"
Revert "remove symbols from final output"

This reverts commit 010ea98a3cd5508b1babbdfdb12827eb07fdd001.

JuliaPackageMirrors/Clang.jl,mdcfrancis/Clang.jl,zhmz90/Clang.jl,zhmz90/Clang.jl,ihnorton/Clang.jl,ihnorton/Clang.jl,mdcfrancis/Clang.jl,JuliaPackageMirrors/Clang.jl