Regressions on trunk at revision 229434 vs revision 229402

[Bill Schmidt]

New failures:
FAIL: runtime

New passes:
FAIL: boehm-gc.c/gctest.c -O2 execution test
FAIL: objc.dg/method-11.m -fgnu-runtime (test for excess errors)
FAIL: objc.dg/method-11.m -fgnu-runtime  (test for warnings, line 12)