cbuild successfully built this on x86_64-precise-cbuild445-oort3-xaarch64_barer1.

The build results are available at:
 http://cbuild.validation.linaro.org/build/gcc-linaro-4.7+bzr115051~matthew-gretton-dann~merge-from-aarch64-4.7-r194220-r194808/logs/x86_64-precise-cbuild445-oort3-xaarch64_barer1

-PASS: gcc.dg/vect/no-vfa-vect-101.c scan-tree-dump-times vect "can't determine dependence" 1
+PASS: gcc.dg/vect/no-vfa-vect-101.c scan-tree-dump-times vect "can't determine dependence" 2
-PASS: gcc.dg/vect/no-vfa-vect-102a.c scan-tree-dump-times vect "possible dependence between data-refs" 1
+PASS: gcc.dg/vect/no-vfa-vect-102a.c scan-tree-dump-times vect "possible dependence between data-refs" 2
-PASS: gcc.dg/vect/no-vfa-vect-102.c scan-tree-dump-times vect "possible dependence between data-refs" 1
+PASS: gcc.dg/vect/no-vfa-vect-102.c scan-tree-dump-times vect "possible dependence between data-refs" 2
-PASS: gcc.dg/vect/no-vfa-vect-37.c scan-tree-dump-times vect "can't determine dependence" 2
+PASS: gcc.dg/vect/no-vfa-vect-37.c scan-tree-dump-times vect "can't determine dependence" 4
-PASS: gcc.dg/vect/no-vfa-vect-79.c scan-tree-dump-times vect "can't determine dependence" 1
+PASS: gcc.dg/vect/no-vfa-vect-79.c scan-tree-dump-times vect "can't determine dependence" 2
+PASS: gcc.dg/vect/pr43432.c -flto  scan-tree-dump-times vect "vectorized 1 loops" 1
+PASS: gcc.dg/vect/pr43432.c scan-tree-dump-times vect "vectorized 1 loops" 1
+PASS: gcc.dg/vect/pr45752.c -flto  scan-tree-dump vect "permutation requires at least three vectors"
+PASS: gcc.dg/vect/pr45752.c scan-tree-dump vect "permutation requires at least three vectors"
-PASS: gcc.dg/vect/slp-11a.c -flto  scan-tree-dump-times vect "vectorized 0 loops" 1
+PASS: gcc.dg/vect/slp-11a.c -flto  scan-tree-dump-times vect "vectorized 1 loops" 1
-PASS: gcc.dg/vect/slp-11a.c scan-tree-dump-times vect "vectorized 0 loops" 1
+PASS: gcc.dg/vect/slp-11a.c scan-tree-dump-times vect "vectorized 1 loops" 1
-PASS: gcc.dg/vect/slp-12a.c -flto  scan-tree-dump-times vect "vectorized 0 loops" 1
-PASS: gcc.dg/vect/slp-12a.c -flto  scan-tree-dump-times vect "vectorizing stmts using SLP" 0
+PASS: gcc.dg/vect/slp-12a.c -flto  scan-tree-dump-times vect "vectorized 1 loops" 1
+PASS: gcc.dg/vect/slp-12a.c -flto  scan-tree-dump-times vect "vectorizing stmts using SLP" 1
-PASS: gcc.dg/vect/slp-12a.c scan-tree-dump-times vect "vectorized 0 loops" 1
-PASS: gcc.dg/vect/slp-12a.c scan-tree-dump-times vect "vectorizing stmts using SLP" 0
+PASS: gcc.dg/vect/slp-12a.c scan-tree-dump-times vect "vectorized 1 loops" 1
+PASS: gcc.dg/vect/slp-12a.c scan-tree-dump-times vect "vectorizing stmts using SLP" 1
+PASS: gcc.dg/vect/slp-13-big-array.c -flto  scan-tree-dump-times vect "vectorized 2 loops" 1
+PASS: gcc.dg/vect/slp-13-big-array.c scan-tree-dump-times vect "vectorized 2 loops" 1
+PASS: gcc.dg/vect/slp-13.c -flto  scan-tree-dump-times vect "vectorized 2 loops" 1
+PASS: gcc.dg/vect/slp-13.c scan-tree-dump-times vect "vectorized 2 loops" 1
-PASS: gcc.dg/vect/slp-19a.c -flto  scan-tree-dump-times vect "vectorized 0 loops" 1
-PASS: gcc.dg/vect/slp-19a.c -flto  scan-tree-dump-times vect "vectorizing stmts using SLP" 0
+PASS: gcc.dg/vect/slp-19a.c -flto  scan-tree-dump-times vect "vectorized 1 loops" 1
+PASS: gcc.dg/vect/slp-19a.c -flto  scan-tree-dump-times vect "vectorizing stmts using SLP" 1
-PASS: gcc.dg/vect/slp-19a.c scan-tree-dump-times vect "vectorized 0 loops" 1
-PASS: gcc.dg/vect/slp-19a.c scan-tree-dump-times vect "vectorizing stmts using SLP" 0
+PASS: gcc.dg/vect/slp-19a.c scan-tree-dump-times vect "vectorized 1 loops" 1
+PASS: gcc.dg/vect/slp-19a.c scan-tree-dump-times vect "vectorizing stmts using SLP" 1
-PASS: gcc.dg/vect/slp-23.c -flto  scan-tree-dump-times vect "vectorized 1 loops" 1
+PASS: gcc.dg/vect/slp-23.c -flto  scan-tree-dump-times vect "vectorized 2 loops" 1
-PASS: gcc.dg/vect/slp-23.c scan-tree-dump-times vect "vectorized 1 loops" 1
+PASS: gcc.dg/vect/slp-23.c scan-tree-dump-times vect "vectorized 2 loops" 1
+PASS: gcc.dg/vect/slp-perm-1.c -flto  scan-tree-dump-times vect "vectorized 1 loops" 1
+PASS: gcc.dg/vect/slp-perm-1.c -flto  scan-tree-dump-times vect "vectorizing stmts using SLP" 1
+PASS: gcc.dg/vect/slp-perm-1.c scan-tree-dump-times vect "vectorized 1 loops" 1
+PASS: gcc.dg/vect/slp-perm-1.c scan-tree-dump-times vect "vectorizing stmts using SLP" 1
+PASS: gcc.dg/vect/slp-perm-2.c -flto  scan-tree-dump-times vect "vectorized 1 loops" 1
+PASS: gcc.dg/vect/slp-perm-2.c -flto  scan-tree-dump-times vect "vectorizing stmts using SLP" 1
+PASS: gcc.dg/vect/slp-perm-2.c scan-tree-dump-times vect "vectorized 1 loops" 1
+PASS: gcc.dg/vect/slp-perm-2.c scan-tree-dump-times vect "vectorizing stmts using SLP" 1
...and 216 more

The full diff is at:
 http://cbuild.validation.linaro.org/build/gcc-linaro-4.7+bzr115051~matthew-gretton-dann~merge-from-aarch64-4.7-r194220-r194808/logs/x86_64-precise-cbuild445-oort3-xaarch64_barer1/testsuite-diff.txt

The full testsuite results are at:
 http://cbuild.validation.linaro.org/build/gcc-linaro-4.7+bzr115051~matthew-gretton-dann~merge-from-aarch64-4.7-r194220-r194808/logs/x86_64-precise-cbuild445-oort3-xaarch64_barer1/gcc-testsuite.txt

cbuild-checked: x86_64-precise-cbuild445-oort3-xaarch64_barer1