Regressions on trunk at revision 220102 vs revision 220090

[H.J. Lu ia32 Core i7]

New failures:
FAIL: g++.dg/ext/mv1.C  -std=gnu++11 execution test
FAIL: g++.dg/ext/mv1.C  -std=gnu++14 execution test
FAIL: g++.dg/ext/mv1.C  -std=gnu++98 execution test

New passes:
FAIL: gfortran.dg/open_new_segv.f90   -O0  execution test
FAIL: gfortran.dg/open_new_segv.f90   -O1  execution test
FAIL: gfortran.dg/open_new_segv.f90   -O2  execution test
FAIL: gfortran.dg/open_new_segv.f90   -O3 -fomit-frame-pointer  execution test
FAIL: gfortran.dg/open_new_segv.f90   -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  execution test
FAIL: gfortran.dg/open_new_segv.f90   -O3 -fomit-frame-pointer -funroll-loops  execution test
FAIL: gfortran.dg/open_new_segv.f90   -O3 -g  execution test
FAIL: gfortran.dg/open_new_segv.f90   -Os  execution test