segfault on constructing array of Rationals

gistfile1.txt

michele@gulliver:~/local/julia_src$ cat test.jl 
[1:10//3]

michele@gulliver:~/local/julia_src$ gdb --args usr/bin/julia-debug ./test.jl
GNU gdb (Debian 7.7.1+dfsg-5) 7.7.1
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Reading symbols from usr/bin/julia-debug...done.
(gdb) r
Starting program: /home/michele/local/julia_src/usr/bin/julia-debug ./test.jl
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7ffff1e6b700 (LWP 27330)]
[New Thread 0x7ffff166a700 (LWP 27331)]
[New Thread 0x7fffeee69700 (LWP 27332)]

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff4d828aa in ?? ()
(gdb) bt
#0  0x00007ffff4d828aa in ?? ()
#1  0x0000000000000001 in ?? ()
#2  0x000000000000000a in ?? ()
#3  0x0000000000000003 in ?? ()
#4  0x00000000024e2140 in ?? ()
#5  0x0000000000000004 in ?? ()
#6  0x00007fffffffcbc0 in ?? ()
#7  0x00000000024e2140 in ?? ()
#8  0x0000000002c02b10 in ?? ()
#9  0x5094df8f4d1d4400 in ?? ()
#10 0x00007fffffffcc58 in ?? ()
#11 0x000000000182af60 in ?? ()
#12 0x0000000000000001 in ?? ()
#13 0x00007fffffffd5e8 in ?? ()
#14 0x000000000071c8d0 in ?? ()
#15 0x00007fffffffca90 in ?? ()
#16 0x00007ffff4d82753 in ?? ()
#17 0x00007fffffffcad0 in ?? ()
#18 0x00007ffff6e1b494 in jl_apply (f=0x1, args=0x182af60, nargs=32767) at julia.h:982
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
(gdb)