Regressions on trunk at revision 247519 vs revision 247485

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

New failures:
FAIL: gcc.dg/guality/pr54970.c   -Os  line 31 a[0] == 4
FAIL: gcc.dg/guality/pr54970.c   -Os  line 36 a[0] == 4
FAIL: gcc.dg/guality/pr54970.c   -Os  line 45 a[0] == 4
FAIL: gcc.dg/guality/pr54970.c   -Os  line 45 p[-2] == 4
FAIL: gcc.dg/guality/pr54970.c   -Os  line 45 q[-1] == 4
FAIL: gfortran.dg/coarray_lock_7.f90   -O   scan-tree-dump-times original "_gfortran_caf_lock \\(caf_token.., \\(3 - \\(integer\\(kind=4\\)\\) parm...dim\\[0\\].lbound\\) \\+ \\(integer\\(kind=4\\)\\) MAX_EXPR <\\(parm...dim\\[0\\].ubound - parm...dim\\[0\\].lbound\\) \\+ 1, 0> \\* \\(3 - \\(integer\\(kind=4\\)\\) parm...dim\\[1\\].lbound\\), 0, 0B, &ii, 0B, 0\\);|_gfortran_caf_lock \\(caf_token.1, \\(3 - parm...dim\\[0\\].lbound\\) \\+ MAX_EXPR <\\(parm...dim\\[0\\].ubound - parm...dim\\[0\\].lbound\\) \\+ 1, 0> \\* \\(3 - parm...dim\\[1\\].lbound\\), 0, 0B, &ii, 0B, 0\\);" 1
FAIL: gfortran.dg/coarray_lock_7.f90   -O   scan-tree-dump-times original "_gfortran_caf_unlock \\(caf_token.., \\(2 - \\(integer\\(kind=4\\)\\) parm...dim\\[0\\].lbound\\) \\+ \\(integer\\(kind=4\\)\\) MAX_EXPR <\\(parm...dim\\[0\\].ubound - parm...dim\\[0\\].lbound\\) \\+ 1, 0> \\* \\(3 - \\(integer\\(kind=4\\)\\) parm...dim\\[1\\].lbound\\), 0, &ii, 0B, 0\\);|_gfortran_caf_unlock \\(caf_token.., \\(2 - parm...dim\\[0\\].lbound\\) \\+ MAX_EXPR <\\(parm...dim\\[0\\].ubound - parm...dim\\[0\\].lbound\\) \\+ 1, 0> \\* \\(3 - parm...dim\\[1\\].lbound\\), 0, &ii, 0B, 0\\);" 1

New passes: