Regressions on trunk at revision 218438 vs revision 218432

[Intel Automatic Testing System [ia32 Core AVX2]]

New failures:

New passes:
FAIL: gcc.c-torture/execute/pr37573.c   -O3 -fomit-frame-pointer  execution test
FAIL: gcc.c-torture/execute/pr37573.c   -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  execution test
FAIL: gcc.c-torture/execute/pr37573.c   -O3 -fomit-frame-pointer -funroll-loops  execution test
FAIL: gcc.c-torture/execute/pr37573.c   -O3 -g  execution test
FAIL: gcc.dg/vect/vect-50.c -flto -ffat-lto-objects execution test
FAIL: gcc.dg/vect/vect-mask-load-1.c -flto -ffat-lto-objects execution test
FAIL: gcc.dg/vect/vect-multitypes-11.c -flto -ffat-lto-objects execution test
FAIL: gcc.dg/vect/vect-multitypes-12.c -flto -ffat-lto-objects execution test
FAIL: gcc.dg/vect/vect-strided-mult-char-ls.c -flto -ffat-lto-objects execution test
FAIL: gcc.dg/vect/vect-strided-u32-i8.c -flto -ffat-lto-objects execution test
FAIL: gcc.dg/vect/vect-widen-shift-s8.c -flto -ffat-lto-objects execution test
FAIL: gcc.dg/vect/vect-widen-shift-u16.c -flto -ffat-lto-objects execution test
FAIL: gcc.dg/vect/vect-widen-shift-u8.c -flto -ffat-lto-objects execution test