Regressions on trunk at revision 238300 vs revision 238287

[Intel Automatic Testing System [ia32 Core AVXi PIE]]

New failures:
FAIL: libstdc++-abi/abi_check

New passes:
FAIL: gfortran.dg/ldist-1.f90   -O   scan-tree-dump ldist "distributed: split to"
FAIL: gfortran.dg/pr42108.f90   -O   scan-tree-dump pre "in all uses of countm1[^\n]* / "
FAIL: gfortran.dg/vect/pr62283.f   -O   scan-tree-dump-times vect "vectorized 1 loops" 2