Internal compiler error compiling c++ source files using boost. The same file compiles ok with 12.04 and gcc 4.7 from toolchain ppa

Description: Ubuntu quantal (development branch)
Release: 12.10

/adnet/boost-1.50.0/include/boost/spirit/home/qi/parse.hpp: In instantiation of ‘struct boost::spirit::qi::parse(Iterator&, Iterator, const Expr&, Attr&) [with Iterator = const char*; Expr = nm::key_value_sequence<const char*>; Attr = std::map<std::basic_string<char>, std::basic_string<char> >]::error_invalid_expression83’:
/adnet/boost-1.50.0/include/boost/spirit/home/qi/parse.hpp:83:412: required from ‘bool boost::spirit::qi::parse(Iterator&, Iterator, const Expr&, Attr&) [with Iterator = const char*; Expr = nm::key_value_sequence<const char*>; Attr = std::map<std::basic_string<char>, std::basic_string<char> >]’
/adnet/src/cttc-pce-trunk/core/nm/parser_key_value_sequence.hpp:55:34: required from here
/adnet/boost-1.50.0/include/boost/spirit/home/qi/parse.hpp:83:187: internal compiler error: Segmentation fault

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: g++-4.7 4.7.0-12ubuntu1
ProcVersionSignature: Ubuntu 3.4.0-5.11-generic 3.4.0
Uname: Linux 3.4.0-5-generic x86_64
ApportVersion: 2.1.1-0ubuntu2
Architecture: amd64
Date: Sat Jun 9 12:20:38 2012
ExecutablePath: /usr/lib/gcc/x86_64-linux-gnu/4.7/cc1plus
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
SourcePackage: gcc-4.7
UpgradeStatus: No upgrade log present (probably fresh install)