Regressions on trunk at revision 184194 vs revision 184189

[H.J. Lu Intel64 LTO/FDO]

New failures:

New passes:
FAIL: 20_util/shared_ptr/cons/43820_neg.cc  (test for errors, line 773)
FAIL: 20_util/shared_ptr/cons/43820_neg.cc  (test for errors, line 773)
FAIL: 20_util/shared_ptr/cons/43820_neg.cc  (test for errors, line 867)
FAIL: 20_util/shared_ptr/cons/43820_neg.cc  (test for errors, line 867)
FAIL: 20_util/shared_ptr/cons/43820_neg.cc (test for excess errors)
FAIL: 20_util/shared_ptr/cons/43820_neg.cc (test for excess errors)
FAIL: tr1/2_general_utilities/shared_ptr/cons/43820_neg.cc  (test for errors, line 565)
FAIL: tr1/2_general_utilities/shared_ptr/cons/43820_neg.cc  (test for errors, line 565)
FAIL: tr1/2_general_utilities/shared_ptr/cons/43820_neg.cc  (test for errors, line 604)
FAIL: tr1/2_general_utilities/shared_ptr/cons/43820_neg.cc  (test for errors, line 604)
FAIL: tr1/2_general_utilities/shared_ptr/cons/43820_neg.cc (test for excess errors)
FAIL: tr1/2_general_utilities/shared_ptr/cons/43820_neg.cc (test for excess errors)