Debugging CSV.jl crashes

[KristofferC]

Using master of MRH.

julia> @run CSV.read("/Users/kristoffer/Downloads/words.csv")
Internal error: encountered unexpected error in runtime:
BoundsError(a=Array{Any, (231216,)}[SSAValue(1), SSAValue(2), SSAValue(3), SSAValue(4), SSAValue(5), SSAValue(6), SSAValue(7), SSAValue(8), SSAValue(9), SSAValue(10), SSAValue(11), SSAValue(12), SSAValue(13), SSAValue(14), SSAValue(15), SSAValue(16), SSAValue(17), SSAValue(18), SSAValue(19), SSAValue(20), SSAValue(21), SSAValue(22), SSAValue(23), SSAValue(24), SSAValue(25), SSAValue(26), SSAValue(27), SSAValue(28), SSAValue(29), SSAValue(30), SSAValue(31), SSAValue(32), SSAValue(33), SSAValue(34), SSAValue(35), SSAValue(18446744073709551615), SSAValue(37), SSAValue(38), SSAValue(39), SSAValue(18446744073709551615), SSAValue(41), SSAValue(42), SSAValue(43), SSAValue(18446744073709551615), SSAValue(45), SSAValue(46), SSAValue(47), SSAValue(18446744073709551615), SSAValue(49), SSAValue(50), SSAValue(51), SSAValue(18446744073709551615), SSAValue(53), SSAValue(54), SSAValue(55), SSAValue(18446744073709551615), SSAValue(57), SSAValue(58), SSAValue(59), SSAValue(18446744073709551615), SSAValue(61), SSAValue(62), SSAValue(63), SSAValue(18446744073709551615), SSAValue(65), SSAValue(66), SSAValue(67), SSAValue(18446744073709551615), SSAValue(69), SSAValue(70), SSAValue(71), SSAValue(18446744073709551615), SSAValue(73), SSAValue(74), SSAValue(75), SSAValue(18446744073709551615), SSAValue(77), SSAValue(78), SSAValue(79), SSAValue(18446744073709551615), SSAValue(81), SSAValue(82), SSAValue(83), SSAValue(18446744073709551615), SSAValue(85), SSAValue(86), SSAValue(87), SSAValue(18446744073709551615), SSAValue(89), SSAValue(90), SSAValue(91), SSAValue(18446744073709551615), SSAValue(93), SSAValue(94), SSAValue(95), SSAValue(18446744073709551615), SSAValue(97), SSAValue(98), SSAValue(99), SSAValue(18446744073709551615), SSAValue(101), SSAValue(102), SSAValue(103), SSAValue(18446744073709551615), SSAValue(105), SSAValue(106), SSAValue(107), SSAValue(18446744073709551615), SSAValue(109), SSAValue(110), SSAValue(111), SSAValue(18446744073709551615), SSAValue(113), SSAValue(114), SSAValue(115), SSAValue(18446744073709551615), SSAValue(117), SSAValue(118), SSAValue(119), SSAValue(18446744073709551615), SSAValue(121), SSAValue(122), SSAValue(123), SSAValue(18446744073709551615), SSAValue(125), SSAValue(126), SSAValue(127), SSAValue(18446744073709551615), SSAValue(129), SSAValue(130), SSAValue(131), SSAValue(18446744073709551615), SSAValue(133), SSAValue(134), SSAValue(135), SSAValue(18446744073709551615), SSAValue(137), SSAValue(138), SSAValue(139), SSAValue(18446744073709551615), SSAValue(141), SSAValue(142), SSAValue(143), SSAValue(18446744073709551615), SSAValue(145), SSAValue(146), SSAValue(147), SSAValue(18446744073709551615), SSAValue(149), SSAValue(150), SSAValue(151), SSAValue(18446744073709551615), SSAValue(153), SSAValue(154), SSAValue(155), SSAValue(18446744073709551615), SSAValue(157), SSAValue(158), SSAValue(159), SSAValue(18446744073709551615), SSAValue(161), SSAValue(162), SSAValue(163), SSAValue(18446
...
46744073709551615)], i=(-1,))
rec_backtrace at /Users/osx/buildbot/slave/package_osx64/build/src/stackwalk.c:94
record_backtrace at /Users/osx/buildbot/slave/package_osx64/build/src/task.c:217 [inlined]
jl_throw at /Users/osx/buildbot/slave/package_osx64/build/src/task.c:417
jl_bounds_error_ints at /Users/osx/buildbot/slave/package_osx64/build/src/rtutils.c:183
getindex at ./array.jl:729 [inlined]
renumber_ssa at ./compiler/ssair/slot2ssa.jl:65 [inlined]
#241 at ./compiler/ssair/slot2ssa.jl:74 [inlined]
ssamap at ./compiler/ssair/ir.jl:429
renumber_ssa! at ./compiler/ssair/slot2ssa.jl:74 [inlined]
renumber_ssa! at ./compiler/ssair/slot2ssa.jl:73
construct_ssa! at ./compiler/ssair/slot2ssa.jl:861
just_construct_ssa at ./compiler/ssair/driver.jl:109
run_passes at ./compiler/ssair/driver.jl:114
optimize at ./compiler/optimize.jl:164
typeinf at ./compiler/typeinfer.jl:35

Maybe dup of #56.