Regressions on trunk at revision 193776 vs revision 193748

[H.J. Lu Intel64]

New failures:
FAIL: gfortran.dg/quad_2.f90  -O0  execution test
FAIL: gfortran.dg/quad_2.f90  -O0  execution test
FAIL: gfortran.dg/quad_2.f90  -O1  execution test
FAIL: gfortran.dg/quad_2.f90  -O1  execution test
FAIL: gfortran.dg/quad_2.f90  -O2  execution test
FAIL: gfortran.dg/quad_2.f90  -O2  execution test
FAIL: gfortran.dg/quad_2.f90  -O3 -fomit-frame-pointer  execution test
FAIL: gfortran.dg/quad_2.f90  -O3 -fomit-frame-pointer  execution test
FAIL: gfortran.dg/quad_2.f90  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  execution test
FAIL: gfortran.dg/quad_2.f90  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  execution test
FAIL: gfortran.dg/quad_2.f90  -O3 -fomit-frame-pointer -funroll-loops  execution test
FAIL: gfortran.dg/quad_2.f90  -O3 -fomit-frame-pointer -funroll-loops  execution test
FAIL: gfortran.dg/quad_2.f90  -O3 -g  execution test
FAIL: gfortran.dg/quad_2.f90  -O3 -g  execution test
FAIL: gfortran.dg/quad_2.f90  -Os  execution test
FAIL: gfortran.dg/quad_2.f90  -Os  execution test

New passes:
FAIL: gcc.target/i386/avx-vzeroupper-16.c (internal compiler error)
FAIL: gcc.target/i386/avx-vzeroupper-16.c (test for excess errors)
FAIL: gcc.target/i386/avx-vzeroupper-17.c (internal compiler error)
FAIL: gcc.target/i386/avx-vzeroupper-17.c (test for excess errors)
FAIL: gcc.target/i386/avx-vzeroupper-18.c (internal compiler error)
FAIL: gcc.target/i386/avx-vzeroupper-18.c (test for excess errors)
FAIL: gcc.target/i386/pr43869.c (internal compiler error)
FAIL: gcc.target/i386/pr43869.c (test for excess errors)
FAIL: gcc.target/x86_64/abi/callabi/vaarg-1.c (internal compiler error)
FAIL: gcc.target/x86_64/abi/callabi/vaarg-1.c (test for excess errors)
FAIL: gcc.target/x86_64/abi/callabi/vaarg-3.c (internal compiler error)
FAIL: gcc.target/x86_64/abi/callabi/vaarg-3.c (test for excess errors)
FAIL: gcc.target/x86_64/abi/callabi/vaarg-4a.c (internal compiler error)
FAIL: gcc.target/x86_64/abi/callabi/vaarg-4a.c (test for excess errors)
FAIL: gcc.target/x86_64/abi/callabi/vaarg-4b.c (internal compiler error)
FAIL: gcc.target/x86_64/abi/callabi/vaarg-4b.c (test for excess errors)
FAIL: gcc.target/x86_64/abi/callabi/vaarg-5a.c (internal compiler error)
FAIL: gcc.target/x86_64/abi/callabi/vaarg-5a.c (test for excess errors)