BAD value parsing breakage

Parsing of BAD values fails to set the correct BAD value when parsing from the string "[BAD]". See attached tests.

perlDL shell v1.357
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'COPYING' in the PDL distribution. This is free software and you
are welcome to redistribute it under certain conditions, see
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Summary of my PDL configuration

VERSION: PDL v2.00704 (supports bad values)

$%PDL::Config = {
'POSIX_THREADS_LIBS' => undef,
'HDF_LIBS' => undef,
'WITH_MINUIT' => '1',
'HIDE_TRYLINK' => '1',
'GSL_LIBS' => undef,
'PDL_CONFIG_VERSION' => '0.005',
'POSIX_THREADS_INC' => undef,
'WITH_GD' => '0',
'PDL_BUILD_VERSION' => '2.007_04',
'USE_POGL' => '1',
'WITH_HDF' => '0',
'BADVAL_USENAN' => '0',
'FFTW_INC' => undef,
'PROJ_LIBS' => undef,
'OPTIMIZE' => undef,
'WHERE_PLPLOT_LIBS' => undef,
'WITH_IO_BROWSER' => '0',
'HTML_DOCS' => '1',
'WITH_PROJ' => '1',
'POGL_WINDOW_TYPE' => 'glut',
'WITH_3D' => '1',
'PDL_BUILD_DIR' => '/home/zaki/sw_projects/p5-PDL/pdl',
'MINUIT_LIB' => undef,
'WITH_SLATEC' => '1',
'WITH_PLPLOT' => '0',
'GSL_INC' => undef,
'WITH_POSIX_THREADS' => '1',
'HDF_INC' => undef,
'WITH_GSL' => '1',
'SKIP_KNOWN_PROBLEMS' => '0',
'FFTW_LIBS' => undef,
'WHERE_PLPLOT_INCLUDE' => undef,
'TEMPDIR' => '/tmp',
'GL_BUILD' => '1',
'PROJ_INC' => undef,
'FFTW_TYPE' => 'double',
'GD_LIBS' => undef,
'BADVAL_PER_PDL' => '0',
'WITH_FFTW' => '0',
'POGL_VERSION' => '0.6702',
'WITH_BADVAL' => '1',
'GD_INC' => undef,
'FITS_LEGACY' => '1',
'WITH_DEVEL_REPL' => '1',
'PDLDOC_IGNORE_AUTOLOADER' => '0',
'MALLOCDBG' => {}
};
Summary of my perl5 (revision 5 version 18 subversion 1) configuration:

Platform:
osname=linux, osvers=3.11-2-amd64, archname=x86_64-linux
uname='linux quadra 3.11-2-amd64 #1 smp debian 3.11.10-1 (2013-12-04) x86_64 gnulinux '
config_args='-de -Dprefix=/home/zaki/perl5/perlbrew/perls/perl-5.18.1 -Duseshrplib -Aeval:scriptdir=/home/zaki/perl5/perlbrew/perls/perl-5.18.1/bin'
hint=recommended, useposix=true, d_sigaction=define
useithreads=undef, usemultiplicity=undef
useperlio=define, d_sfio=undef, uselargefiles=define, usesocks=undef
use64bitint=define, use64bitall=define, uselongdouble=undef
usemymalloc=n, bincompat5005=undef
Compiler:
cc='cc', ccflags ='-fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
optimize='-O2',
cppflags='-fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include'
ccversion='', gccversion='4.8.2', gccosandvers=''
intsize=4, longsize=8, ptrsize=8, doublesize=8, byteorder=12345678
d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16
ivtype='long', ivsize=8, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8
alignbytes=8, prototype=define
Linker and Libraries:
ld='cc', ldflags =' -fstack-protector -L/usr/local/lib'
libpth=/usr/local/lib /lib/x86_64-linux-gnu /lib/../lib /usr/lib/x86_64-linux-gnu /usr/lib/../lib /lib /usr/lib /lib64 /usr/lib64
libs=-lnsl -ldl -lm -lcrypt -lutil -lc
perllibs=-lnsl -ldl -lm -lcrypt -lutil -lc
libc=, so=so, useshrplib=true, libperl=libperl.so
gnulibc_version='2.17'
Dynamic Linking:
dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E -Wl,-rpath,/home/zaki/perl5/perlbrew/perls/perl-5.18.1/lib/5.18.1/x86_64-linux/CORE'
cccdlflags='-fPIC', lddlflags='-shared -O2 -L/usr/local/lib -fstack-protector'