Regressions on trunk at revision 230640 vs revision 230628

[Bill Seurer]

New failures:
FAIL: c-c++-common/Wbool-compare-2.c  -Wc++-compat  (test for excess errors)
FAIL: c-c++-common/Wbool-compare-2.c  -Wc++-compat   (test for warnings, line 76)
FAIL: go.test/test/ken/cplx2.go execution,  -O2 -g 

New passes: