Regressions on trunk at revision 249638 vs revision 249632

[Intel Automatic Testing System [ia32 Core AVX2 PIC]]

New failures:

New passes:
FAIL: gcc.dg/vect/pr80928.c -flto -ffat-lto-objects (internal compiler error)
FAIL: gcc.dg/vect/pr80928.c -flto -ffat-lto-objects  scan-tree-dump vect "vectorized 1 loops"
FAIL: gcc.dg/vect/pr80928.c -flto -ffat-lto-objects (test for excess errors)
FAIL: gcc.dg/vect/pr80928.c (internal compiler error)
FAIL: gcc.dg/vect/pr80928.c scan-tree-dump vect "vectorized 1 loops"
FAIL: gcc.dg/vect/pr80928.c (test for excess errors)
FAIL: gfortran.fortran-torture/execute/in-pack.f90, -O2 -ftree-vectorize -msse2  (internal compiler error)
FAIL: gfortran.fortran-torture/execute/in-pack.f90,  -O3 -g  (internal compiler error)