A gdb pretty printers for llvm libcxx.

Edit ~/.gdbinit, and append:

python
import sys
import gdb
#replace path
sys.path.insert(0, '/home/egmkang/python')   
sys.path.insert(0, '/usr/local/share/gcc-4.6.2/python')
from libcxx.v1.printers import register_libcxx_printers
from libstdcxx.v6.printers import register_libstdcxx_printers
register_libcxx_printers(None)
register_libstdcxx_printers(None)