...to resort to printf except for
using gdb/lldb to look at the stack-trace...

...long as that doesn't work, using gdb's the best way - and it has...

...2. Run under a debugger, such as gdb

3. When it seg faults, type:

   bt...

...apple-darwin13.0.0
Thread model: posix

(gdb doesn't ship with osx, I installed...

...due to the following stack disappearance with GDB this will remain disabled until it this...

...binsize and looked at that copy with gdb:

$1 = {0 <repeats 12 times>}

So I...

GDB works on Linux.  On OSX, I can't get more than a stack trace...

...understood D. gdb kind of works but not all that well. Of course, gdb doesn...

...not segfault.

Backtrace output from gdb at point of segfault:
----------------
(gdb) bt
#0  0x000000000042d9eb in...

...compiled program, and simply not present with DMD.

both gdb and llvm. results are same.