bt

(lldb) bt
* thread #1: tid = 0x10c4c88, 0x0000000101274c30 libLLVM-3.9svn.dylib`abort + 32, queue = 'com.apple.main-thread', stop reason = EXC_BAD_INSTRUCTION (code=EXC_I386_INVOP, subcode=0x0)
  * frame #0: 0x0000000101274c30 libLLVM-3.9svn.dylib`abort + 32
    frame #1: 0x0000000101274c01 libLLVM-3.9svn.dylib`__assert_rtn + 81
    frame #2: 0x000000010008be61 libjulia-debug.dylib`getAddressForOrCompileFunction(llvmf=0x000000031327cc48) + 641 at codegen.cpp:1021
    frame #3: 0x000000010008c78e libjulia-debug.dylib`::jl_function_ptr(f=0x000000010a9e2a10, rt=0x000000010a12f6d0, argt=0x000000010b0e7490) + 382 at codegen.cpp:1209
    frame #4: 0x00000003138694cd JIT(0x308005030)`julia_call_27071 + 573
    frame #5: 0x000000031385c320 JIT(0x308005030)`julia_make_io_methods_27057 + 480
    frame #6: 0x0000000313859309 JIT(0x308005030)`julia___init___26570 + 4841
    frame #7: 0x0000000313858010 JIT(0x308005030)`jlcall___init___26570 + 16
    frame #8: 0x000000010002dcf0 libjulia-debug.dylib`jl_apply(f=0x000000010a993dd0, args=0x0000000000000000, nargs=0) + 64 at julia.h:1391
    frame #9: 0x000000010003068c libjulia-debug.dylib`jl_trampoline(F=0x000000010a993dd0, args=0x0000000000000000, nargs=0) + 220 at builtins.c:1036
    frame #10: 0x000000010001a7e0 libjulia-debug.dylib`jl_apply(f=0x000000010a993dd0, args=0x0000000000000000, nargs=0) + 64 at julia.h:1391
    frame #11: 0x000000010001d56d libjulia-debug.dylib`jl_apply_generic(F=0x000000010a990e50, args=0x0000000000000000, nargs=0) + 541 at gf.c:1922
    frame #12: 0x0000000100037990 libjulia-debug.dylib`jl_apply(f=0x000000010a990e50, args=0x0000000000000000, nargs=0) + 64 at julia.h:1391
    frame #13: 0x000000010003788a libjulia-debug.dylib`jl_module_run_initializer(m=0x000000010b0c9d50) + 154 at module.c:625
    frame #14: 0x000000010004c966 libjulia-debug.dylib`jl_init_restored_modules(init_order=0x0000000109fd9690) + 102 at dump.c:1764
    frame #15: 0x0000000100051333 libjulia-debug.dylib`_jl_restore_incremental(f=0x00007fff5fbfcd20) + 1395 at dump.c:2265
    frame #16: 0x0000000100051424 libjulia-debug.dylib`jl_restore_incremental(fname="/Users/inorton/.julia/lib/v0.5/PyCall.ji") + 164 at dump.c:2289
    frame #17: 0x0000000311dd5322 JIT(0x102a7a830)`julia__require_from_serialized_26371 + 754
    frame #18: 0x0000000311dd5029 JIT(0x102a7a830)`jlcall__require_from_serialized_26371 + 41
    frame #19: 0x000000010002dcf0 libjulia-debug.dylib`jl_apply(f=0x000000010a9cc210, args=0x00007fff5fbfd0f8, nargs=4) + 64 at julia.h:1391
    frame #20: 0x000000010003068c libjulia-debug.dylib`jl_trampoline(F=0x000000010a9cc210, args=0x00007fff5fbfd0f8, nargs=4) + 220 at builtins.c:1036
    frame #21: 0x000000010001a7e0 libjulia-debug.dylib`jl_apply(f=0x000000010a9cc210, args=0x00007fff5fbfd0f8, nargs=4) + 64 at julia.h:1391
    frame #22: 0x000000010001d691 libjulia-debug.dylib`jl_apply_generic(F=0x0000000108cc9190, args=0x00007fff5fbfd0f8, nargs=4) + 833 at gf.c:1946
    frame #23: 0x0000000104a96588 sys-debug.dylib`julia__require_from_serialized_21265 + 1032
    frame #24: 0x0000000104a96d7d sys-debug.dylib`julia_require_21250 + 973
    frame #25: 0x0000000104a9796c sys-debug.dylib`jlcall_require_21250 + 12
    frame #26: 0x000000010002dcf0 libjulia-debug.dylib`jl_apply(f=0x000000010941a6f0, args=0x00007fff5fbfd6b0, nargs=1) + 64 at julia.h:1391
    frame #27: 0x000000010003068c libjulia-debug.dylib`jl_trampoline(F=0x000000010941a6f0, args=0x00007fff5fbfd6b0, nargs=1) + 220 at builtins.c:1036
    frame #28: 0x000000010001a7e0 libjulia-debug.dylib`jl_apply(f=0x000000010941a6f0, args=0x00007fff5fbfd6b0, nargs=1) + 64 at julia.h:1391
    frame #29: 0x000000010001d56d libjulia-debug.dylib`jl_apply_generic(F=0x0000000109419ff0, args=0x00007fff5fbfd6b0, nargs=1) + 541 at gf.c:1922
    frame #30: 0x000000010005b9b0 libjulia-debug.dylib`jl_apply(f=0x0000000109419ff0, args=0x00007fff5fbfd6b0, nargs=1) + 64 at julia.h:1391
    frame #31: 0x000000010005db60 libjulia-debug.dylib`eval_import_path_(args=0x000000010ae56fe0, retrying=0) + 912 at toplevel.c:370
    frame #32: 0x000000010005b8f5 libjulia-debug.dylib`eval_import_path(args=0x000000010ae56fe0) + 37 at toplevel.c:397
    frame #33: 0x000000010005a80e libjulia-debug.dylib`jl_toplevel_eval_flex(e=0x000000010a4b9690, fast=1) + 510 at toplevel.c:445
    frame #34: 0x000000010005ab25 libjulia-debug.dylib`jl_toplevel_eval_flex(e=0x000000010a4b9670, fast=1) + 1301 at toplevel.c:483
    frame #35: 0x000000010005a18f libjulia-debug.dylib`jl_eval_module_expr(ex=0x000000010a4b9490) + 1391 at toplevel.c:171
    frame #36: 0x000000010005a6cc libjulia-debug.dylib`jl_toplevel_eval_flex(e=0x000000010a4b9490, fast=1) + 188 at toplevel.c:427
    frame #37: 0x000000010005bbe4 libjulia-debug.dylib`jl_parse_eval_all(fname="/Users/inorton/.julia/v0.5/PyPlot/src/PyPlot.jl", len=47, ctx=0x00000001002e9950) + 516 at toplevel.c:581
    frame #38: 0x000000010005be73 libjulia-debug.dylib`jl_load(fname="/Users/inorton/.julia/v0.5/PyPlot/src/PyPlot.jl", len=47) + 275 at toplevel.c:622
    frame #39: 0x000000010005bf14 libjulia-debug.dylib`jl_load_(str=0x0000000109eed270) + 52 at toplevel.c:630
    frame #40: 0x0000000104831218 sys-debug.dylib`julia_include_761 + 72
    frame #41: 0x000000010002dcf0 libjulia-debug.dylib`jl_apply(f=0x0000000106da9d70, args=0x00007fff5fbfe1a8, nargs=1) + 64 at julia.h:1391
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    frame #43: 0x000000010001a7e0 libjulia-debug.dylib`jl_apply(f=0x0000000106da9d70, args=0x00007fff5fbfe1a8, nargs=1) + 64 at julia.h:1391
    frame #44: 0x000000010001d56d libjulia-debug.dylib`jl_apply_generic(F=0x0000000106da9bf0, args=0x00007fff5fbfe1a8, nargs=1) + 541 at gf.c:1922
    frame #45: 0x0000000104a4ca05 sys-debug.dylib`julia_include_from_node1_19387 + 613
    frame #46: 0x000000010002dcf0 libjulia-debug.dylib`jl_apply(f=0x00000001090295b0, args=0x00007fff5fbfe3b8, nargs=1) + 64 at julia.h:1391
    frame #47: 0x000000010003068c libjulia-debug.dylib`jl_trampoline(F=0x00000001090295b0, args=0x00007fff5fbfe3b8, nargs=1) + 220 at builtins.c:1036
    frame #48: 0x000000010001a7e0 libjulia-debug.dylib`jl_apply(f=0x00000001090295b0, args=0x00007fff5fbfe3b8, nargs=1) + 64 at julia.h:1391
    frame #49: 0x000000010001d56d libjulia-debug.dylib`jl_apply_generic(F=0x0000000109029230, args=0x00007fff5fbfe3b8, nargs=1) + 541 at gf.c:1922
    frame #50: 0x000000010003bdf0 libjulia-debug.dylib`jl_apply(f=0x0000000109029230, args=0x00007fff5fbfe3b8, nargs=1) + 64 at julia.h:1391
    frame #51: 0x000000010003b693 libjulia-debug.dylib`do_call(f=0x0000000109029230, args=0x000000010aa04228, nargs=1, eval0=0x0000000000000000, locals=0x0000000000000000, nl=0, ngensym=0) + 371 at interpreter.c:65
    frame #52: 0x0000000100038845 libjulia-debug.dylib`eval(e=0x000000010a31f190, locals=0x0000000000000000, nl=0, ngensym=0) + 2853 at interpreter.c:214
    frame #53: 0x0000000100037ced libjulia-debug.dylib`jl_interpret_toplevel_expr(e=0x000000010a31f190) + 45 at interpreter.c:25
    frame #54: 0x000000010005af3a libjulia-debug.dylib`jl_toplevel_eval_flex(e=0x000000010a31f150, fast=1) + 2346 at toplevel.c:531
    frame #55: 0x000000010005b948 libjulia-debug.dylib`jl_toplevel_eval(v=0x000000010a31f150) + 40 at toplevel.c:554
    frame #56: 0x000000010002e82c libjulia-debug.dylib`jl_toplevel_eval_in_warn(m=0x0000000106d88010, ex=0x000000010a31f150, delay_warn=0) + 828 at builtins.c:593
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    frame #61: 0x000000010005b9b0 libjulia-debug.dylib`jl_apply(f=0x000000010a0c80b0, args=0x0000000000000000, nargs=0) + 64 at julia.h:1391
    frame #62: 0x000000010005afe3 libjulia-debug.dylib`jl_toplevel_eval_flex(e=0x000000010a0bfe10, fast=1) + 2515 at toplevel.c:543
    frame #63: 0x000000010005b948 libjulia-debug.dylib`jl_toplevel_eval(v=0x000000010a0bfe10) + 40 at toplevel.c:554
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    frame #69: 0x0000000104a810fc sys-debug.dylib`julia_process_options_20527 + 2060
    frame #70: 0x0000000104a82ced sys-debug.dylib`julia__start_20520 + 1405
    frame #71: 0x0000000104a839b9 sys-debug.dylib`jlcall__start_20520 + 9
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    frame #74: 0x000000010001a7e0 libjulia-debug.dylib`jl_apply(f=0x0000000109605e50, args=0x0000000000000000, nargs=0) + 64 at julia.h:1391
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