cbuild successfully built this on armv7l-natty-cbuild389-tcpanda04-cortexa9r1.

The build results are available at:
 http://ex.seabright.co.nz/build/gcc-linaro-4.7+bzr115024~matthew-gretton-dann~4.7-october-aarch64-merge-attempt-2/logs/armv7l-natty-cbuild389-tcpanda04-cortexa9r1

+UNSUPPORTED: g++.dg/abi/aarch64_guard1.C -std=gnu++11
+UNSUPPORTED: g++.dg/abi/aarch64_guard1.C -std=gnu++98
-UNSUPPORTED: gcc.dg/pr30957-1.c
+PASS: gcc.dg/pr30957-1.c (test for excess errors)
+XFAIL: gcc.dg/pr30957-1.c execution test
+PASS: gcc.dg/pr30957-1.c scan-rtl-dump loop2_unroll "Expanding Accumulator"
-PASS: gcc.dg/pr48335-5.c (test for excess errors)
+FAIL: gcc.dg/pr48335-5.c (internal compiler error)
+FAIL: gcc.dg/pr48335-5.c (test for excess errors)
-PASS: gcc.dg/torture/stackalign/builtin-apply-4.c  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  execution test
+FAIL: gcc.dg/torture/stackalign/builtin-apply-4.c  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  execution test
-PASS: gcc.dg/torture/stackalign/builtin-apply-4.c  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects -fpic execution test
+FAIL: gcc.dg/torture/stackalign/builtin-apply-4.c  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects -fpic execution test
-PASS: gcc.dg/tree-ssa/gen-vect-11.c (test for excess errors)
-PASS: gcc.dg/tree-ssa/gen-vect-11.c execution test
-PASS: gcc.dg/tree-ssa/gen-vect-11.c scan-tree-dump-times vect "vectorized 1 loops" 1
-PASS: gcc.dg/tree-ssa/gen-vect-11a.c (test for excess errors)
-PASS: gcc.dg/tree-ssa/gen-vect-11a.c execution test
-PASS: gcc.dg/tree-ssa/gen-vect-11a.c scan-tree-dump-times vect "vectorized 1 loops" 1
-PASS: gcc.dg/tree-ssa/gen-vect-11b.c (test for excess errors)
-PASS: gcc.dg/tree-ssa/gen-vect-11b.c execution test
-PASS: gcc.dg/tree-ssa/gen-vect-11b.c scan-tree-dump-times vect "vectorized 0 loops" 1
-PASS: gcc.dg/tree-ssa/gen-vect-11c.c (test for excess errors)
-PASS: gcc.dg/tree-ssa/gen-vect-11c.c execution test
-PASS: gcc.dg/tree-ssa/gen-vect-11c.c scan-tree-dump-times vect "vectorized 0 loops" 1
-PASS: gcc.dg/tree-ssa/gen-vect-2.c (test for excess errors)
-PASS: gcc.dg/tree-ssa/gen-vect-2.c execution test
-PASS: gcc.dg/tree-ssa/gen-vect-2.c scan-tree-dump-times vect "Vectorizing an unaligned access" 0
-PASS: gcc.dg/tree-ssa/gen-vect-2.c scan-tree-dump-times vect "vectorized 1 loops" 1
-PASS: gcc.dg/tree-ssa/gen-vect-25.c (test for excess errors)
-PASS: gcc.dg/tree-ssa/gen-vect-25.c execution test
-PASS: gcc.dg/tree-ssa/gen-vect-25.c scan-tree-dump-times vect "Vectorizing an unaligned access" 0
-PASS: gcc.dg/tree-ssa/gen-vect-25.c scan-tree-dump-times vect "vectorized 2 loops" 1
-PASS: gcc.dg/tree-ssa/gen-vect-26.c (test for excess errors)
-PASS: gcc.dg/tree-ssa/gen-vect-26.c execution test
-PASS: gcc.dg/tree-ssa/gen-vect-26.c scan-tree-dump-times vect "Alignment of access forced using peeling" 1
-PASS: gcc.dg/tree-ssa/gen-vect-26.c scan-tree-dump-times vect "Vectorizing an unaligned access" 0
-PASS: gcc.dg/tree-ssa/gen-vect-26.c scan-tree-dump-times vect "vectorized 1 loops" 1
-PASS: gcc.dg/tree-ssa/gen-vect-28.c (test for excess errors)
-PASS: gcc.dg/tree-ssa/gen-vect-28.c execution test
-PASS: gcc.dg/tree-ssa/gen-vect-28.c scan-tree-dump-times vect "Alignment of access forced using peeling" 1
-PASS: gcc.dg/tree-ssa/gen-vect-28.c scan-tree-dump-times vect "Vectorizing an unaligned access" 0
-PASS: gcc.dg/tree-ssa/gen-vect-28.c scan-tree-dump-times vect "vectorized 1 loops" 1
-PASS: gcc.dg/tree-ssa/gen-vect-32.c (test for excess errors)
-PASS: gcc.dg/tree-ssa/gen-vect-32.c execution test
-PASS: gcc.dg/tree-ssa/gen-vect-32.c scan-tree-dump-times vect "Vectorizing an unaligned access" 0
-PASS: gcc.dg/tree-ssa/gen-vect-32.c scan-tree-dump-times vect "vectorized 1 loops" 1
+UNSUPPORTED: gcc.dg/tree-ssa/gen-vect-11.c
+UNSUPPORTED: gcc.dg/tree-ssa/gen-vect-11a.c
+UNSUPPORTED: gcc.dg/tree-ssa/gen-vect-11b.c
...and 12 more

The full diff is at:
 http://ex.seabright.co.nz/build/gcc-linaro-4.7+bzr115024~matthew-gretton-dann~4.7-october-aarch64-merge-attempt-2/logs/armv7l-natty-cbuild389-tcpanda04-cortexa9r1/testsuite-diff.txt

The full testsuite results are at:
 http://ex.seabright.co.nz/build/gcc-linaro-4.7+bzr115024~matthew-gretton-dann~4.7-october-aarch64-merge-attempt-2/logs/armv7l-natty-cbuild389-tcpanda04-cortexa9r1/gcc-testsuite.txt

cbuild-checked: armv7l-natty-cbuild389-tcpanda04-cortexa9r1