finfer causes segmentation fault

[kk49]

executing

load("demat_crash_julia.jl")

with the following code

kk49/julia-delayed-matrix@d10d6a8

Causes a seg fault

   _       _ _(_)_     |
  (_)     | (_) (_)    |
   _ _   _| |_  __ _   |  A fresh approach to technical computing
  | | | | | | |/ _` |  |
  | | |_| | | | (_| |  |  Version 0.0.0+85517282.re769
 _/ |\__'_|_|_|\__'_|  |  Commit e769a147ce (2012-05-08 18:27:08)
|__/                   |

julia> load("demat_crash_julia.jl")

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff6fe5b90 in jl_type_intersect () from /home/kkamieniecki/work/julia/usr/lib/libjulia-release.so
(gdb) bt
#0  0x00007ffff6fe5b90 in jl_type_intersect () from /home/kkamieniecki/work/julia/usr/lib/libjulia-release.so
#1  0x00007ffff6fe6869 in jl_type_intersect () from /home/kkamieniecki/work/julia/usr/lib/libjulia-release.so
#2  0x00007ffff6fe6da0 in jl_type_intersection_matching () from /home/kkamieniecki/work/julia/usr/lib/libjulia-release.so
#3  0x00007ffff6fea2bf in lookup_match () from /home/kkamieniecki/work/julia/usr/lib/libjulia-release.so
#4  0x00007ffff6fea616 in ml_matches.clone.1 () from /home/kkamieniecki/work/julia/usr/lib/libjulia-release.so
#5  0x00007ffff562f351 in ?? ()
#6  0x00007fffffffc940 in ?? ()
#7  0x00007ffff6fec7da in jl_apply_generic () from /home/kkamieniecki/work/julia/usr/lib/libjulia-release.so
Backtrace stopped: frame did not save the PC
(gdb) 

[pao: formatting]

[JeffBezanson]

This is because the second argument to finfer needs to be a tuple type. It calls some internal interfaces that assume this. It will work if you add a typeof.

[kk49]

Thanks, that fixed it