Iain, I have posted at http://gcc.gnu.org/ml/gcc-testresults/2012-03/msg01799.html the regtests on powerpc-apple-darwin9 with the patch. I still get the following failures
FAIL: libffi.call/err_bad_abi.c -O0 -W -Wall execution test FAIL: libffi.call/err_bad_abi.c -O2 execution test FAIL: libffi.call/err_bad_abi.c -O3 execution test FAIL: libffi.call/err_bad_abi.c -Os execution test FAIL: libffi.call/err_bad_abi.c -O2 -fomit-frame-pointer execution test TIA Dominique
