Regressions on trunk at revision 176790 vs revision 176786

[Kirill Yukhin [ia32 Core i7 AVX]]

New failures:

New passes:
FAIL: c-c++-common/dfp/usual-arith-conv.c execution test
FAIL: c-c++-common/dfp/usual-arith-conv.c execution test
FAIL: gcc.dg/torture/fp-int-convert-float80.c  -O0  execution test
FAIL: gcc.dg/torture/fp-int-convert-float80.c  -O1  execution test
FAIL: gcc.dg/torture/fp-int-convert-float80.c  -O2  execution test
FAIL: gcc.dg/torture/fp-int-convert-float80.c  -O2 -flto  execution test
FAIL: gcc.dg/torture/fp-int-convert-float80.c  -O2 -flto -flto-partition=none  execution test
FAIL: gcc.dg/torture/fp-int-convert-float80.c  -O3 -fomit-frame-pointer  execution test
FAIL: gcc.dg/torture/fp-int-convert-float80.c  -O3 -g  execution test
FAIL: gcc.dg/torture/fp-int-convert-float80.c  -Os  execution test
FAIL: gcc.dg/torture/fp-int-convert-long-double.c  -O0  execution test
FAIL: gcc.dg/torture/fp-int-convert-long-double.c  -O1  execution test
FAIL: gcc.dg/torture/fp-int-convert-long-double.c  -O2  execution test
FAIL: gcc.dg/torture/fp-int-convert-long-double.c  -O2 -flto  execution test
FAIL: gcc.dg/torture/fp-int-convert-long-double.c  -O2 -flto -flto-partition=none  execution test
FAIL: gcc.dg/torture/fp-int-convert-long-double.c  -O3 -fomit-frame-pointer  execution test
FAIL: gcc.dg/torture/fp-int-convert-long-double.c  -O3 -g  execution test
FAIL: gcc.dg/torture/fp-int-convert-long-double.c  -Os  execution test
FAIL: gfortran.fortran-torture/execute/random_2.f90 execution,  -O0 
FAIL: gfortran.fortran-torture/execute/random_2.f90 execution,  -O1 
FAIL: gfortran.fortran-torture/execute/random_2.f90 execution,  -O2 
FAIL: gfortran.fortran-torture/execute/random_2.f90 execution,  -O2 -fbounds-check 
FAIL: gfortran.fortran-torture/execute/random_2.f90 execution,  -O2 -fomit-frame-pointer -finline-functions 
FAIL: gfortran.fortran-torture/execute/random_2.f90 execution,  -O2 -fomit-frame-pointer -finline-functions -funroll-loops 
FAIL: gfortran.fortran-torture/execute/random_2.f90 execution,  -O3 -g 
FAIL: gfortran.fortran-torture/execute/random_2.f90 execution,  -Os 
FAIL: gfortran.fortran-torture/execute/random_2.f90 execution, -O2 -ftree-vectorize -msse2