complex /int subtraction -> segfault

[Bill Schottstaedt]

guile> (version)
"1.8.6"
guile> (+ 1050879503.0+3.0i 1050879503)
2101759006.0+3.0i
guile> (- 1050879503.0+3.0i 1050879503)
Segmentation fault (core dumped)

in gdb:

guile> (- 1050879503.0+3.0i 1050879503)

Program received signal SIGSEGV, Segmentation fault.
0x4006ea80 in scm_difference (x=0x40251128, y=0x40185040) at numbers.c:4332
4332              return scm_c_make_rectangular (real_part, SCM_COMPLEX_IMAG 
(y));      
Missing separate debuginfos, use: debuginfo-install glibc-2.9-2.i686
(gdb) where
#0  0x4006ea80 in scm_difference (x=0x40251128, y=0x40185040) at numbers.c:4332
#1  0x4004529d in deval (x=0x404, env=0x40251558) at eval.c:4370
#2  0x40047b9b in scm_primitive_eval (exp=0x40251120) at eval.c:5935
#3  0x400451c2 in deval (x=0x1, env=0x402512c8) at eval.c:4232
#4  0x4003089b in scm_start_stack (id=0x40182570, exp=0x401b3a18, 
env=0x402512c8)
    at debug.c:457