Bug#898321: [python3-llvmlite]

[Antonio Russo]

llvm 6.0.1 (or an appropriately patched version of 6.0.0) is required for 
llvmlite.

I have a merge request [1] on salsa.debian.org that gets llvmlite to build.

https://salsa.debian.org/pkg-llvm-team/llvmlite/merge_requests/1