cbuild successfully built this on armv7l-natty-cbuild180-ursa1-armv5r2.

The build results are available at:
 http://ex.seabright.co.nz/build/gcc-linaro-4.6+bzr106800~ams-codesourcery~merge-from-fsf-20110906-4.6/logs/armv7l-natty-cbuild180-ursa1-armv5r2

+PASS: c-c++-common/Wunused-var-14.c (test for excess errors)
+PASS: g++.dg/abi/vbase15.C (test for excess errors)
+PASS: g++.dg/abi/vbase15.C execution test
+PASS: g++.dg/cpp0x/constexpr-initlist5.C (test for excess errors)
+PASS: g++.dg/cpp0x/constexpr-value3.C (test for excess errors)
+PASS: g++.dg/cpp0x/initlist57.C  (test for errors, line 4)
+PASS: g++.dg/cpp0x/initlist57.C  (test for errors, line 7)
+PASS: g++.dg/cpp0x/initlist57.C (test for excess errors)
+PASS: g++.dg/cpp0x/lambda/lambda-50220.C (test for excess errors)
+PASS: g++.dg/cpp0x/lambda/lambda-qualified.C (test for excess errors)
+PASS: g++.dg/cpp0x/lambda/lambda-use2.C (test for excess errors)
+PASS: g++.dg/cpp0x/sfinae27.C (test for excess errors)
+PASS: g++.dg/cpp0x/variadic-unresolved.C (test for excess errors)
+PASS: c-c++-common/Wunused-var-14.c  -Wc++-compat  (test for excess errors)
+PASS: gcc.dg/pr48739-1.c (test for excess errors)
+PASS: gcc.dg/pr48739-2.c (test for excess errors)
+UNSUPPORTED: gcc.dg/torture/pr50092.c  -O0
+UNSUPPORTED: gcc.dg/torture/pr50092.c  -O1
+UNSUPPORTED: gcc.dg/torture/pr50092.c  -O2
+UNSUPPORTED: gcc.dg/torture/pr50092.c  -O2 -flto
+UNSUPPORTED: gcc.dg/torture/pr50092.c  -O2 -flto -flto-partition=none
+UNSUPPORTED: gcc.dg/torture/pr50092.c  -O3 -fomit-frame-pointer
+UNSUPPORTED: gcc.dg/torture/pr50092.c  -O3 -g
+UNSUPPORTED: gcc.dg/torture/pr50092.c  -Os
+PASS: gfortran.dg/alloc_comp_initializer_3.f90  -O  (test for excess errors)
+PASS: gfortran.dg/initialization_28.f90  -O   (test for errors, line 8)
+PASS: gfortran.dg/initialization_28.f90  -O  (test for excess errors)
+PASS: gfortran.dg/namelist_73.f90  -O0  (test for excess errors)
+PASS: gfortran.dg/namelist_73.f90  -O0  execution test
+PASS: gfortran.dg/namelist_73.f90  -O1  (test for excess errors)
+PASS: gfortran.dg/namelist_73.f90  -O1  execution test
+PASS: gfortran.dg/namelist_73.f90  -O2  (test for excess errors)
+PASS: gfortran.dg/namelist_73.f90  -O2  execution test
+PASS: gfortran.dg/namelist_73.f90  -O3 -fomit-frame-pointer  (test for excess errors)
+PASS: gfortran.dg/namelist_73.f90  -O3 -fomit-frame-pointer  execution test
+PASS: gfortran.dg/namelist_73.f90  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (test for excess errors)
+PASS: gfortran.dg/namelist_73.f90  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  execution test
+PASS: gfortran.dg/namelist_73.f90  -O3 -fomit-frame-pointer -funroll-loops  (test for excess errors)
+PASS: gfortran.dg/namelist_73.f90  -O3 -fomit-frame-pointer -funroll-loops  execution test
+PASS: gfortran.dg/namelist_73.f90  -O3 -g  (test for excess errors)
+PASS: gfortran.dg/namelist_73.f90  -O3 -g  execution test
+PASS: gfortran.dg/namelist_73.f90  -Os  (test for excess errors)
+PASS: gfortran.dg/namelist_73.f90  -Os  execution test
+PASS: gfortran.dg/pointer_comp_init_1.f90  -O  (test for excess errors)
+PASS: gfortran.dg/vect/pr50178.f90  -O  (test for excess errors)
+PASS: gfortran.dg/where_3.f90  -O   (test for errors, line 12)
+PASS: gfortran.dg/where_3.f90  -O  (test for excess errors)
+PASS: gfortran.dg/widechar_compare_1.f90  -O0  (test for excess errors)
+PASS: gfortran.dg/widechar_compare_1.f90  -O0  execution test
+PASS: gfortran.dg/widechar_compare_1.f90  -O1  (test for excess errors)
...and 15 more

The full testsuite results are at:
 http://ex.seabright.co.nz/build/gcc-linaro-4.6+bzr106800~ams-codesourcery~merge-from-fsf-20110906-4.6/logs/armv7l-natty-cbuild180-ursa1-armv5r2/gcc-testsuite.txt

cbuild-checked: armv7l-natty-cbuild180-ursa1-armv5r2