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Internal error parsing malformed expression

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I encountered the following internal error on 1.10:

julia> code_llvm(logpdf, Tuple{Distributions.MvNormal{Float64, PDMats.PDMat{Float64, Array{Float64, 2}}, Array{Float64, 1}}, Array{ForwardDiff.Dual{ForwardDiff.Tag{typeof(Main.logp), Float64}, Float64, 10}, 1}) from logpdf(Distributions.Distribution{Distributions.ArrayLikeVariate{N}, S} where S<:Distributions.ValueSupport, AbstractArray{var"#s12", N} where var"#s12"<:Real) where {N}})
┌ Error: JuliaSyntax parser failed — falling back to flisp!
│   exception =
│    Internal error: length(args) == 1
│    Stacktrace:
│      [1] error(::String, ::String)
│        @ Base ./error.jl:44
│      [2] internal_error(strs::String)
│        @ Base.JuliaSyntax ~/Julia/src/julia/base/JuliaSyntax/src/utils.jl:23
│      [3] _internal_node_to_Expr(source::Base.JuliaSyntax.SourceFile, srcrange::UnitRange{…}, head::Base.JuliaSyntax.SyntaxHead, childranges::Vector{…}, childheads::Vector{…}, args::Vector{…})
│        @ Base.JuliaSyntax ~/Julia/src/julia/base/JuliaSyntax/src/expr.jl:191
│      [4] _to_expr(node::Base.JuliaSyntax.SyntaxNode)
│        @ Base.JuliaSyntax ~/Julia/src/julia/base/JuliaSyntax/src/expr.jl:496
│      [5] _to_expr(node::Base.JuliaSyntax.SyntaxNode) (repeats 2 times)
│        @ Base.JuliaSyntax ~/Julia/src/julia/base/JuliaSyntax/src/expr.jl:495
│      [6] Expr(node::Base.JuliaSyntax.SyntaxNode)
│        @ Base.JuliaSyntax ~/Julia/src/julia/base/JuliaSyntax/src/expr.jl:500
│      [7] core_parser_hook(code::String, filename::String, lineno::Int64, offset::Int64, options::Symbol)
│        @ Base.JuliaSyntax ~/Julia/src/julia/base/JuliaSyntax/src/hooks.jl:209
│      [8] invoke_in_world(::UInt64, ::Any, ::Any, ::Vararg{Any}; kwargs::@Kwargs{})
│        @ Base ./essentials.jl:901
│      [9] invoke_in_world(::UInt64, ::Any, ::Any, ::Vararg{Any})
│        @ Base ./essentials.jl:898
│     [10] (::Base.JuliaSyntax.var"#invoke_fixedworld#120"{})(::String, ::Vararg{…}; kws::@Kwargs{})
│        @ Base.JuliaSyntax ~/Julia/src/julia/base/JuliaSyntax/src/hooks.jl:118
│     [11] (::Base.JuliaSyntax.var"#invoke_fixedworld#120"{})(::String, ::Vararg{…})
│        @ Base.JuliaSyntax ~/Julia/src/julia/base/JuliaSyntax/src/hooks.jl:117
│     [12] _parse_string(text::String, filename::String, lineno::Int64, index::Int64, options::Symbol)
│        @ Base.Meta ./meta.jl:200
│     [13] parseall(text::String; filename::String, lineno::Int64)
│        @ Base.Meta ./meta.jl:294 [inlined]
│     [14] _parse_input_line_core(s::String, filename::String)
│        @ Base ./client.jl:174 [inlined]
│     [15] parse_input_line(s::String; filename::String, depwarn::Bool)
│        @ Base ./client.jl:192 [inlined]
│     [16] (::REPL.var"#93#103"{REPL.LineEditREPL, REPL.REPLHistoryProvider})(x::Any)
│        @ REPL ~/Julia/src/julia/build/dev/usr/share/julia/stdlib/v1.10/REPL/src/REPL.jl:1064
│     [17] invokelatest(f::REPL.var"#93#103"{REPL.LineEditREPL, REPL.REPLHistoryProvider}, args::String; kwargs::@Kwargs{})
│        @ Base ./essentials.jl:867 [inlined]
│     [18] invokelatest(f::REPL.var"#93#103"{REPL.LineEditREPL, REPL.REPLHistoryProvider}, args::String)
│        @ Base ./essentials.jl:864 [inlined]
│     [19] (::REPL.var"#do_respond#80"{})(s::REPL.LineEdit.MIState, buf::Any, ok::Bool)
│        @ REPL ~/Julia/src/julia/build/dev/usr/share/julia/stdlib/v1.10/REPL/src/REPL.jl:890
│     [20] invokelatest(::Any, ::REPL.LineEdit.MIState, ::IOBuffer, ::Bool; kwargs::@Kwargs{})
│        @ Base ./essentials.jl:867 [inlined]
│     [21] invokelatest(::Any, ::REPL.LineEdit.MIState, ::IOBuffer, ::Bool)
│        @ Base ./essentials.jl:864 [inlined]
│     [22] run_interface(terminal::REPL.Terminals.TextTerminal, m::REPL.LineEdit.ModalInterface, s::REPL.LineEdit.MIState)
│        @ REPL.LineEdit ~/Julia/src/julia/build/dev/usr/share/julia/stdlib/v1.10/REPL/src/LineEdit.jl:2656
│     [23] run_frontend(repl::REPL.LineEditREPL, backend::REPL.REPLBackendRef)
│        @ REPL ~/Julia/src/julia/build/dev/usr/share/julia/stdlib/v1.10/REPL/src/REPL.jl:1297
│     [24] (::REPL.var"#62#68"{REPL.LineEditREPL, REPL.REPLBackendRef})()
│        @ REPL ~/Julia/src/julia/build/dev/usr/share/julia/stdlib/v1.10/REPL/src/REPL.jl:373
│    Some type information was truncated. Use `show(err)` to see complete types.
│   offset = 0
│   code = "code_llvm(logpdf, Tuple{Distributions.MvNormal{Float64, PDMats.PDMat{Float64, Array{Float64, 2}}, Array{Float64, 1}}, Array{ForwardDiff.Dual{ForwardDiff.Tag{typeof(Main.logp), Float64}, Float64, 10}, 1}) from logpdf(Distributions.Distribution{Distributions.ArrayLikeVariate{N}, S} where S<:Distributions.ValueSupport, AbstractArray{var\"#s12\", N} where var\"#s12\"<:Real) where {N}})"
└ @ Base.JuliaSyntax ~/Julia/src/julia/base/JuliaSyntax/src/hooks.jl:258
ERROR: syntax: missing comma or } in argument list
Stacktrace:
 [1] top-level scope
   @ none:1

I'm not sure whether this still reproduces on latest JuliaSyntax.jl; maybe it'd be good to add a section to the README how to easily test the latest version of the parser to see if it's worth filing a bug?

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