Regressions on trunk at revision 225979 vs revision 225942

[Intel Automatic Testing System [ia32 Core AVX2]]

New failures:

New passes:
FAIL: gfortran.dg/coarray_collectives_16.f90   -O   scan-tree-dump-times original "_gfortran_caf_co_reduce \\(&desc.., &fr, 4, _gfortran_caf_num_images \\(0, -1\\), &stat1, errmesg1, 0, 6\\);" 1
FAIL: gfortran.dg/coarray_collectives_16.f90   -O   scan-tree-dump-times original "_gfortran_caf_co_reduce \\(&desc.., &hc, 1, res, &stat3, errmesg3, 99, 8\\);" 1
FAIL: gfortran.dg/coarray_collectives_16.f90   -O   scan-tree-dump-times original "_gfortran_caf_co_reduce \\(&val2, &gz, 0, 4, &stat2, errmesg2, 0, 7\\);" 1