Regressions on trunk at revision 241326 vs revision 241309

[Intel Automatic Testing System [Intel64 Core AVXi]]

New failures:
FAIL: gcc.dg/Walloca-1.c (test for excess errors)
FAIL: gcc.dg/Walloca-1.c  (test for warnings, line 26)
FAIL: gcc.dg/Walloca-2.c note (test for warnings, line 34)
FAIL: gcc.dg/Walloca-2.c (test for excess errors)
FAIL: gcc.dg/Walloca-2.c  (test for warnings, line 34)
FAIL: gfortran.dg/dtio_17.f90   -O1  execution test

New passes: