"could not compile the specified method" with @code_llvm

[KristofferC]

After Pkg.clone("https://github.com/KristofferC/ContMechTensors.jl")

julia> using ContMechTensors

julia> a = rand(Tensor{2,3});

julia> a + a;

julia> @code_llvm a + a
ERROR: could not compile the specified method
 in _dump_function(::Core.MethodInstance, ::Bool, ::Bool, ::Bool, ::Bool, ::Symbol) at ./reflection.jl:519
 in _dump_function(::Any, ::Any, ::Bool, ::Bool, ::Bool, ::Bool, ::Symbol) at ./reflection.jl:506
 in code_llvm at ./reflection.jl:543 [inlined] (repeats 2 times)
 in code_llvm(::Any, ::Any) at ./reflection.jl:545

Works on 0.5