[Bug c++/46968] New: ICE in dependent_type_p when compiling in C++0x with g++ trunk

["gcc at jey dot kottalam.net" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46968

           Summary: ICE in dependent_type_p when compiling in C++0x with
                    g++ trunk
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: gcc@jey.kottalam.net
              Host: x86_64-unknown-linux-gnu
            Target: x86_64-unknown-linux-gnu
             Build: x86_64-unknown-linux-gnu


I'm using g++ built from r167866 from svn://gcc.gnu.org/svn/gcc/trunk on an
Intel core2.


jey@fnord:~/programming/pairrec$ g++-trunk -v -save-temps -x c++ -std=c++0x
/home/jey/programming/gcc/tbb/include/tbb/tbb_machine.h 
Using built-in specs.
COLLECT_GCC=g++-trunk
COLLECT_LTO_WRAPPER=/home/jey/bins/libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../gcc-trunk/configure --prefix=/home/jey/bins
--program-suffix=-trunk --with-cpu=native --with-arch=native
--enable-languages=c,c++,fortran
Thread model: posix
gcc version 4.6.0 20101215 (experimental) (GCC) 
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-std=c++0x' '-shared-libgcc'  
 /home/jey/bins/libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/cc1plus -E -quiet -v
-D_GNU_SOURCE /home/jey/programming/gcc/tbb/include/tbb/tbb_machine.h
-march=core2 -mcx16 -msahf --param l1-cache-size=32 --param
l1-cache-line-size=64 --param l2-cache-size=2048 -mtune=core2 -std=c++0x
-fpch-preprocess -o tbb_machine.ii
ignoring nonexistent directory
"/home/jey/bins/lib/gcc/x86_64-unknown-linux-gnu/4.6.0/../../../../x86_64-unknown-linux-gnu/include"
ignoring duplicate directory "/opt/intel/composerxe-2011.1.107/mkl/include"
ignoring duplicate directory "/opt/intel/Compiler/11.1/073/ipp/em64t/include"
#include "..." search starts here:
#include <...> search starts here:
 /opt/intel/composerxe-2011.1.107/mkl/include
 /opt/intel/Compiler/11.1/073/ipp/em64t/include
 .

/home/jey/bins/lib/gcc/x86_64-unknown-linux-gnu/4.6.0/../../../../include/c++/4.6.0

/home/jey/bins/lib/gcc/x86_64-unknown-linux-gnu/4.6.0/../../../../include/c++/4.6.0/x86_64-unknown-linux-gnu

/home/jey/bins/lib/gcc/x86_64-unknown-linux-gnu/4.6.0/../../../../include/c++/4.6.0/backward
 /home/jey/bins/lib/gcc/x86_64-unknown-linux-gnu/4.6.0/include
 /usr/local/include
 /home/jey/bins/include
 /home/jey/bins/lib/gcc/x86_64-unknown-linux-gnu/4.6.0/include-fixed
 /usr/include
End of search list.
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-std=c++0x' '-shared-libgcc'  
 /home/jey/bins/libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/cc1plus
-fpreprocessed tbb_machine.ii -march=core2 -mcx16 -msahf --param
l1-cache-size=32 --param l1-cache-line-size=64 --param l2-cache-size=2048
-mtune=core2 -quiet -dumpbase tbb_machine.h -auxbase tbb_machine -std=c++0x
-version -o tbb_machine.s
GNU C++ (GCC) version 4.6.0 20101215 (experimental) (x86_64-unknown-linux-gnu)
        compiled by GNU C version 4.6.0 20101215 (experimental), GMP version
4.3.2, MPFR version 3.0.0-p3, MPC version 0.8.2
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
GNU C++ (GCC) version 4.6.0 20101215 (experimental) (x86_64-unknown-linux-gnu)
        compiled by GNU C version 4.6.0 20101215 (experimental), GMP version
4.3.2, MPFR version 3.0.0-p3, MPC version 0.8.2
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
Compiler executable checksum: c153ef71f7a566be2220922172ab71b0
/home/jey/programming/gcc/tbb/include/tbb/tbb_machine.h: In function âT
__TBB_ReverseBits(T)â:
/home/jey/programming/gcc/tbb/include/tbb/tbb_machine.h:686:66: internal
compiler error: in dependent_type_p, at cp/pt.c:17929
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.