ProfileView crashes with an empty profile

[rafaqz]

This is all the error I could get before everything hangs, apologies for the truncation of the lines:

julia> FATAL ERROR: Gtk state corrupted by error thrown in a callb
ERROR: BoundsError: attempt to access 1000×0 Matrix{Int64} at inde
Stacktrace:
  [1] throw_boundserror(A::Matrix{Int64}, I::Tuple{Int64, Int64})
    @ Base ./abstractarray.jl:744
  [2] checkbounds
    @ ./abstractarray.jl:709 [inlined]
  [3] getindex
    @ ~/.julia/packages/IndirectArrays/BUQO3/src/IndirectArrays.jl
  [4] 

[rafaqz]

Ok this is better:

julia> FATAL ERROR: Gtk state corrupted by error thrown in a callback:
ERROR: BoundsError: attempt to access 1000×0 Matrix{Int64} at index [324, 0]
Stacktrace:
  [1] throw_boundserror(A::Matrix{Int64}, I::Tuple{Int64, Int64})
    @ Base ./abstractarray.jl:744
  [2] checkbounds
    @ ./abstractarray.jl:709 [inlined]
  [3] getindex
    @ ~/.julia/packages/IndirectArrays/BUQO3/src/IndirectArrays.jl:69 [inlined]
  [4] (::ProfileView.var"#gettag#31")(tagimg::IndirectArrays.IndirectArray{Base.StackTraces.StackFrame, 2, Int64, Matrix{Int64}, Vector{Base.StackTraces.StackFrame}}, xu::GtkObservables.UserUnit, yu::GtkObservables.UserUnit)
    @ ProfileView ~/.julia/packages/ProfileView/S6A1N/src/ProfileView.jl:319
  [5] (::ProfileView.var"#29#34"{FlameGraphs.FlameColors, GtkObservables.Canvas{GtkObservables.UserUnit}, Int64, Cairo.CairoSurfaceImage{ColorTypes.RGB24}, Observables.Observable{GtkObservables.ZoomRegion{Float64}}, ProfileView.var"#device_bb#32"{Symbol}, ProfileView.va
r"#gettag#31", Gtk.GtkEntryLeaf, Base.RefValue{Graphics.BoundingBox}, IndirectArrays.IndirectArray{Base.StackTraces.StackFrame, 2, Int64, Matrix{Int64}, Vector{Base.StackTraces.StackFrame}}})(btn::GtkObservables.MouseButton{GtkObservables.UserUnit})
    @ ProfileView ~/.julia/packages/ProfileView/S6A1N/src/ProfileView.jl:373
  [6] #invokelatest#2
    @ ./essentials.jl:816 [inlined]
  [7] invokelatest
    @ ./essentials.jl:813 [inlined]
  [8] notify
    @ ~/.julia/packages/Observables/PHGQ8/src/Observables.jl:169 [inlined]
  [9] setindex!
    @ ~/.julia/packages/Observables/PHGQ8/src/Observables.jl:86 [inlined]
 [10] mousemove_cb(ptr::Ptr{Gtk.GLib.GObject}, eventp::Ptr{Gtk.GdkEventMotion}, handler::GtkObservables.MouseHandler{GtkObservables.UserUnit})
    @ GtkObservables ~/.julia/packages/GtkObservables/HKrJi/src/graphics_interaction.jl:669
 [11] notify_motion(p::Ptr{Gtk.GLib.GObject}, eventp::Ptr{Gtk.GdkEventMotion}, closure::Gtk.Gtk_signal_motion{GtkObservables.MouseHandler{GtkObservables.UserUnit}})
    @ Gtk ~/.julia/packages/Gtk/oo3cW/src/events.jl:46
 [12] (::Gtk.var"#253#254")()
    @ Gtk ~/.julia/packages/Gtk/oo3cW/src/events.jl:2
 [13] g_sigatom(f::Any)
    @ Gtk.GLib ~/.julia/packages/Gtk/oo3cW/src/GLib/signals.jl:176
 [14] gtk_main()
    @ Gtk ~/.julia/packages/Gtk/oo3cW/src/events.jl:1