cbuild successfully built this on i686-precise-cbuild367-oort2-i686r1.

The build results are available at:
 http://ex.seabright.co.nz/build/gcc-linaro-4.7+bzr115017~michaelh1~merge-from-fsf-4.7-20120911/logs/i686-precise-cbuild367-oort2-i686r1

+PASS: c-c++-common/pr54486.c -std=gnu++11 (test for excess errors)
+PASS: c-c++-common/pr54486.c -std=gnu++98 (test for excess errors)
+PASS: g++.dg/init/lifetime3.C -std=c++11 (test for excess errors)
+PASS: g++.dg/init/lifetime3.C -std=c++11 execution test
+PASS: g++.dg/init/lifetime3.C -std=c++98 (test for excess errors)
+PASS: g++.dg/init/lifetime3.C -std=c++98 execution test
+PASS: c-c++-common/pr54486.c  -Wc++-compat  (test for excess errors)
+PASS: gcc.c-torture/compile/pr54428.c  -O0  (test for excess errors)
+PASS: gcc.c-torture/compile/pr54428.c  -O1  (test for excess errors)
+PASS: gcc.c-torture/compile/pr54428.c  -O2  (test for excess errors)
+PASS: gcc.c-torture/compile/pr54428.c  -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
+PASS: gcc.c-torture/compile/pr54428.c  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
+PASS: gcc.c-torture/compile/pr54428.c  -O3 -fomit-frame-pointer  (test for excess errors)
+PASS: gcc.c-torture/compile/pr54428.c  -O3 -g  (test for excess errors)
+PASS: gcc.c-torture/compile/pr54428.c  -Os  (test for excess errors)
+PASS: gcc.dg/54455.c (test for excess errors)
+PASS: gcc.dg/gomp/pr53992.c (test for excess errors)
+PASS: gcc.dg/pr52530.c (test for excess errors)
+PASS: gcc.dg/pr52530.c execution test
+PASS: gcc.dg/pr53942.c (test for excess errors)
+PASS: gcc.dg/pr54363.c  (test for warnings, line 10)
+PASS: gcc.dg/pr54363.c (test for excess errors)
+PASS: gcc.dg/torture/pr53922.c  -O0  (test for excess errors)
+PASS: gcc.dg/torture/pr53922.c  -O0  execution test
+PASS: gcc.dg/torture/pr53922.c  -O1  (test for excess errors)
+PASS: gcc.dg/torture/pr53922.c  -O1  execution test
+PASS: gcc.dg/torture/pr53922.c  -O2  (test for excess errors)
+PASS: gcc.dg/torture/pr53922.c  -O2  execution test
+PASS: gcc.dg/torture/pr53922.c  -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
+PASS: gcc.dg/torture/pr53922.c  -O2 -flto -fno-use-linker-plugin -flto-partition=none  execution test
+PASS: gcc.dg/torture/pr53922.c  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
+PASS: gcc.dg/torture/pr53922.c  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  execution test
+PASS: gcc.dg/torture/pr53922.c  -O3 -fomit-frame-pointer  (test for excess errors)
+PASS: gcc.dg/torture/pr53922.c  -O3 -fomit-frame-pointer  execution test
+PASS: gcc.dg/torture/pr53922.c  -O3 -g  (test for excess errors)
+PASS: gcc.dg/torture/pr53922.c  -O3 -g  execution test
+PASS: gcc.dg/torture/pr53922.c  -Os  (test for excess errors)
+PASS: gcc.dg/torture/pr53922.c  -Os  execution test
+PASS: gcc.dg/torture/pr54436.c  -O0  (test for excess errors)
+PASS: gcc.dg/torture/pr54436.c  -O1  (test for excess errors)
+PASS: gcc.dg/torture/pr54436.c  -O2  (test for excess errors)
+PASS: gcc.dg/torture/pr54436.c  -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
+PASS: gcc.dg/torture/pr54436.c  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
+PASS: gcc.dg/torture/pr54436.c  -O3 -fomit-frame-pointer  (test for excess errors)
+PASS: gcc.dg/torture/pr54436.c  -O3 -g  (test for excess errors)
+PASS: gcc.dg/torture/pr54436.c  -Os  (test for excess errors)
+PASS: gcc.dg/tree-ssa/strlen-1.c (test for excess errors)
+PASS: gcc.dg/tree-ssa/strlen-1.c scan-tree-dump-times optimized " ={v} 0;" 2
+UNSUPPORTED: gcc.target/i386/pr46254.c
+UNSUPPORTED: gcc.target/i386/pr54157.c
...and 39 more

The full diff is at:
 http://ex.seabright.co.nz/build/gcc-linaro-4.7+bzr115017~michaelh1~merge-from-fsf-4.7-20120911/logs/i686-precise-cbuild367-oort2-i686r1/testsuite-diff.txt

The full testsuite results are at:
 http://ex.seabright.co.nz/build/gcc-linaro-4.7+bzr115017~michaelh1~merge-from-fsf-4.7-20120911/logs/i686-precise-cbuild367-oort2-i686r1/gcc-testsuite.txt

cbuild-checked: i686-precise-cbuild367-oort2-i686r1