sub(sub(A,...),...) violates type-stability of range indexes

[timholy]

Below, note that C has Range{Int} indexes, not Range1{Int} indexes:

julia> A = rand(5,8)
5x8 Array{Float64,2}:
 0.193495   0.30075   0.35577   0.732839  0.0630376  0.557629  0.796763  0.189508 
 0.0549164  0.956992  0.110021  0.784863  0.997136   0.85131   0.918621  0.0749185
 0.139314   0.397999  0.716274  0.895523  0.831972   0.676884  0.467294  0.210944 
 0.997668   0.452485  0.611425  0.854269  0.249668   0.286255  0.260939  0.441991 
 0.147179   0.294705  0.226399  0.331314  0.263987   0.937     0.205331  0.434741 

julia> B = slice(A, 1:5, 1:8)
5x8 SubArray{Float64,2,Array{Float64,2},(Range1{Int64},Range1{Int64})}:
 0.193495   0.30075   0.35577   0.732839  0.0630376  0.557629  0.796763  0.189508 
 0.0549164  0.956992  0.110021  0.784863  0.997136   0.85131   0.918621  0.0749185
 0.139314   0.397999  0.716274  0.895523  0.831972   0.676884  0.467294  0.210944 
 0.997668   0.452485  0.611425  0.854269  0.249668   0.286255  0.260939  0.441991 
 0.147179   0.294705  0.226399  0.331314  0.263987   0.937     0.205331  0.434741 

julia> C = slice(B, 1:5, 1:8)
5x8 SubArray{Float64,2,Array{Float64,2},(Range{Int64},Range{Int64})}:
 0.193495   0.30075   0.35577   0.732839  0.0630376  0.557629  0.796763  0.189508 
 0.0549164  0.956992  0.110021  0.784863  0.997136   0.85131   0.918621  0.0749185
 0.139314   0.397999  0.716274  0.895523  0.831972   0.676884  0.467294  0.210944 
 0.997668   0.452485  0.611425  0.854269  0.249668   0.286255  0.260939  0.441991 
 0.147179   0.294705  0.226399  0.331314  0.263987   0.937     0.205331  0.434741 

[ivarne]

The commit a4088e0 did not change anything in the example for me on OSX.

see: https://gist.github.com/ivarne/047711ccc285335e4468

[timholy]

Sorry, I tested a different example than the one I posted, then pushed too hastily. To fix this example, you also need 219e60f, which applies the same fix to another spot in the code.

[ivarne]

OK. Just wanted to notify you in case you didn't notice.
Den 16. sep. 2013 23:49 skrev "Tim Holy" notifications@github.com
følgende:

Sorry, I tested a different example than the one I posted, then pushed too
hastily. To fix this example, you also need 219e60fhttps://github.com/JuliaLang/julia/commit/219e60f7a958fb1fbee352cc15f8e3df4356b30c,
which applies the same fix to another spot in the code.

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