[Bug other/48378] New: gcc 4.6.0 fails to build from source

["nbi at wideopenwest dot com" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48378

           Summary: gcc 4.6.0 fails to build from source
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: other
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: nbi@wideopenwest.com


Obtained 
http://ftp.de.debian.org/debian/pool/main/g/gcc-4.6/gcc-4.6_4.6.0.orig.tar.gz
from http://packages.debian.org/sid/gcc-4.6

Prerequisite libraries (gmp, mpfr, mpc) build ok without any problems.

'./configure' succeeds for gcc-4.6

'make' fails with:

make[3]: Entering directory
`/usr/src/gcc-4.6-4.6.0.orig/gcc-4.6.0/host-x86_64-unknown-linux-gnu/gcc'
build/genhooks \
                        ../.././gcc/doc/tm.texi.in > tmp-tm.texi
(null): No place specified to document hook TARGET_ASM_OPEN_PAREN

make[3]: *** [s-tm-texi] Error 1
make[3]: Leaving directory
`/usr/src/gcc-4.6-4.6.0.orig/gcc-4.6.0/host-x86_64-unknown-linux-gnu/gcc'
make[2]: *** [all-stage1-gcc] Error 2
make[2]: Leaving directory `/usr/src/gcc-4.6-4.6.0.orig/gcc-4.6.0'
make[1]: *** [stage1-bubble] Error 2
make[1]: Leaving directory `/usr/src/gcc-4.6-4.6.0.orig/gcc-4.6.0'
make: *** [all] Error 2 

How can this be corrected? Thanks.