Crash when calling GC.collect()

[bioinfornatics]

From rev: 9facd25
OS: gnu linux fedora
Standard lib build as shared Libray

Test code ( gcbug.d )

import core.memory;
  void main() {
    GC.collect();
  }

$ ulimit -c unlimited
$ ldc2 gcbug.d
$ ./gcbug
Segmentation fault (core dumped)

$ gdb -q ./gcbug core.9626
Reading symbols from /home/jonathan/gcbug...(no debugging symbols found)...done.
[New LWP 9626]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Core was generated by `./gcbug'.
Program terminated with signal 11, Segmentation fault.
#0  0x00007f98a3fece6b in _d_toObject () from /lib64/libphobos-ldc.so.63
(gdb) backtrace
#0  0x00007f98a3fece6b in _d_toObject () from /lib64/libphobos-ldc.so.63
#1  0x00007f98a3fd6e5c in _d_monitorenter () from /lib64/libphobos-ldc.so.63
#2  0x00007f98a3f6d92d in std.concurrency._staticDtor4() () from /lib64/libphobos-ldc.so.63
#3  0x00007f98a3f6e6a6 in std.concurrency.__dtor() () from /lib64/libphobos-ldc.so.63
#4  0x00007f98a3fe4da4 in rt.minfo.rt_moduleTlsDtor() () from /lib64/libphobos-ldc.so.63
#5  0x00007f98a3fe3f5f in rt.dmain2._d_run_main() () from /lib64/libphobos-ldc.so.63
#6  0x00007f98a3fe3ea9 in _d_run_main () from /lib64/libphobos-ldc.so.63
#7  0x0000003e69a21b75 in __libc_start_main (main=0x4006b0, argc=1, ubp_av=0x7fff6b887ac8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, 
    stack_end=0x7fff6b887ab8) at libc-start.c:258
#8  0x0000000000400719 in _start ()

When i put a breakpoint into _d_toObject I can see that segfault on

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff7ca17a0 in _d_toObject (p=0x7ffff7823000) at cast_.d:32
32      ClassInfo oc = o.classinfo;

[dnadlinger]

Should be fixed in Git master.