Code not working with Julia 1.5.0, but working with 1.4.2 and 1.6.0-DEV.707

[fverdugo]

The following code is not working in my machine with Julia 1.5.0, but working for 1.4.2 and 1.6.0-DEV.707 .

pkg> add Gridap#not_working_with_julia_1.5.0
julia> using Gridap
julia> writevtk(HEX,"hex")

I have not tried it for the pre-release of 1.5.1. I can do this if you provide the binaries.

For 1.5.0 I get this error:

pkg> add Gridap#not_working_with_julia_1.5.0
julia> using Gridap
julia> writevtk(HEX,"hex")
ERROR: UndefVarError: Args not defined
Stacktrace:
 [1] Base.Broadcast.Broadcasted{Base.Broadcast.Style{Tuple},Axes,F,Args} where Args<:Tuple where F where Axes(::typeof(==), ::Tuple{Tuple{var"#s310"} where var"#s310"<:Int64,Int64}, ::Nothing) at ./broadcast.jl:179 (repeats 2 times)
 [2] broadcasted at ./broadcast.jl:1265 [inlined]
 [3] broadcasted at ./broadcast.jl:1263 [inlined]
 [4] LagrangianRefFE(::Type{Float64}, ::Gridap.ReferenceFEs.ExtrusionPolytope{1}, ::Tuple{Int64}; space::Symbol) at /home/fverdugo/.julia/packages/Gridap/PKW5h/src/ReferenceFEs/CLagrangianRefFEs.jl:210
 [5] LagrangianRefFE(::Type{Float64}, ::Gridap.ReferenceFEs.ExtrusionPolytope{1}, ::Int64; space::Symbol) at /home/fverdugo/.julia/packages/Gridap/PKW5h/src/ReferenceFEs/CLagrangianRefFEs.jl:341
 [6] LagrangianRefFE(::Type{Float64}, ::Gridap.ReferenceFEs.ExtrusionPolytope{1}, ::Int64) at /home/fverdugo/.julia/packages/Gridap/PKW5h/src/ReferenceFEs/CLagrangianRefFEs.jl:340
 [7] #33 at /home/fverdugo/.julia/packages/Gridap/PKW5h/src/Geometry/UnstructuredGrids.jl:97 [inlined]
 [8] iterate at ./generator.jl:47 [inlined]
 [9] _collect(::Array{Gridap.ReferenceFEs.ExtrusionPolytope{1},1}, ::Base.Generator{Array{Gridap.ReferenceFEs.ExtrusionPolytope{1},1},Gridap.Geometry.var"#33#34"{Int64}}, ::Base.EltypeUnknown, ::Base.HasShape{1}) at ./array.jl:699
 [10] collect_similar at ./array.jl:628 [inlined]
 [11] map at ./abstractarray.jl:2162 [inlined]
 [12] Gridap.Geometry.UnstructuredGrid(::Type{Gridap.ReferenceFEs.ReferenceFE{1}}, ::Gridap.ReferenceFEs.ExtrusionPolytope{3}) at /home/fverdugo/.julia/packages/Gridap/PKW5h/src/Geometry/UnstructuredGrids.jl:97
 [13] Gridap.Geometry.Grid(::Type{Gridap.ReferenceFEs.ReferenceFE{1}}, ::Gridap.ReferenceFEs.ExtrusionPolytope{3}) at /home/fverdugo/.julia/packages/Gridap/PKW5h/src/Geometry/Grids.jl:147
 [14] writevtk(::Gridap.ReferenceFEs.ExtrusionPolytope{3}, ::String) at /home/fverdugo/.julia/packages/Gridap/PKW5h/src/Visualization/Vtk.jl:47
 [15] top-level scope at REPL[3]:1

After this first error, I get another error even with this simple line:

# same Julia session
julia> (1,) .== 0
ERROR: UndefVarError: Args not defined
Stacktrace:
 [1] Base.Broadcast.Broadcasted{Base.Broadcast.Style{Tuple},Axes,F,Args} where Args<:Tuple where F where Axes(::typeof(==), ::Tuple{Tuple{var"#s310"} where var"#s310"<:Int64,Int64}, ::Nothing) at ./broadcast.jl:179 (repeats 2 times)
 [2] broadcasted at ./broadcast.jl:1265 [inlined]
 [3] broadcasted(::Function, ::Tuple{Int64}, ::Int64) at ./broadcast.jl:1263
 [4] top-level scope at REPL[4]:1

julia> 

On the other hand, everything works ok with 1.5.0 by calling (1,) .== 0 in the first place:

# Fresh Julia session with 1.5.0
pkg> add Gridap#not_working_with_julia_1.5.0
julia> (1,) .== 0
julia> using Gridap
julia> writevtk(HEX,"hex")

Is this a known issue? It would be nice if this is fixed for the upcoming julia 1.5.1.
Thanks!

[fverdugo]

Further info:

julia> versioninfo()
Julia Version 1.5.0
Commit 96786e22cc (2020-08-01 23:44 UTC)
Platform Info:
  OS: Linux (x86_64-pc-linux-gnu)
  CPU: Intel(R) Core(TM) i7-10510U CPU @ 1.80GHz
  WORD_SIZE: 64
  LIBM: libopenlibm
  LLVM: libLLVM-9.0.1 (ORCJIT, skylake)
Environment:
  JULIAROOT = /home/fverdugo/Apps/julia/julia-1.5.0

[JeffBezanson]

I can't reproduce this. Could you provide a full Manifest.toml?

[fverdugo]

Hi @JeffBezanson,

I just realized that the error is fixed after deleting ~/.julia/packages. So, I guess it is difficult to determine what happened before.

In any case, I include the full manifest for reference.

Thanks!

# This file is machine-generated - editing it directly is not advised

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[[StaticArrays]]
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[[UnPack]]
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[[Unicode]]
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[[WriteVTK]]
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[[XML2_jll]]
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[[Zlib_jll]]
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[fverdugo]

I close the issue since the error es fixed by deleting ~/.julia/packages and it cannot be reproduced in other environments. Thanks anyway!