Regressions on trunk at revision 211720 vs revision 211698

[H.J. Lu ia32]

New failures:

New passes:
FAIL: gcc.target/i386/memcpy-2.c scan-assembler-not (jmp|call)[\\t ]*memcpy
FAIL: gcc.target/i386/memcpy-3.c scan-assembler-not (jmp|call)[\\t ]*memcpy
FAIL: g++.dg/abi/layout4.C -std=gnu++11 (test for excess errors)
FAIL: g++.dg/abi/layout4.C -std=gnu++1y (test for excess errors)
FAIL: g++.dg/abi/layout4.C -std=gnu++98 (test for excess errors)