Comment 5 for bug 2016471

> Applying the "-Wl,-Bsymbolic-functions" fix to llvm-toolchain
> will most probably lead to a bigger discussion, as this is an
> optimization Ubuntu enabled on purpose a long time ago,
> and disabling it in a core-package like the LLVM toolchain
> might be a high impact change.

In fact, there are almost no reverse-dependencies of libomp in Ubuntu. I've uploaded a patch that disables -Bsymbolic-functions for libomp only, which should hopefully fix the eztrace build.