Regressions on trunk at revision 221877 vs revision 221872

[H.J. Lu ia32 Core i7]

New failures:
FAIL: gfortran.dg/class_allocate_18.f90   -O0  execution test
FAIL: gfortran.dg/class_allocate_18.f90   -O1  execution test
FAIL: gfortran.dg/class_allocate_18.f90   -O2  execution test
FAIL: gfortran.dg/class_allocate_18.f90   -O3 -fomit-frame-pointer  execution test
FAIL: gfortran.dg/class_allocate_18.f90   -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  execution test
FAIL: gfortran.dg/class_allocate_18.f90   -O3 -fomit-frame-pointer -funroll-loops  execution test
FAIL: gfortran.dg/class_allocate_18.f90   -O3 -g  execution test
FAIL: gfortran.dg/class_allocate_18.f90   -Os  execution test

New passes:
FAIL: gcc.dg/gomp/nesting-1.c  (test for errors, line 104)
FAIL: gcc.dg/gomp/nesting-1.c  (test for errors, line 107)
FAIL: gcc.dg/gomp/nesting-1.c  (test for errors, line 113)
FAIL: gcc.dg/gomp/nesting-1.c  (test for errors, line 117)
FAIL: gcc.dg/gomp/nesting-1.c  (test for errors, line 121)
FAIL: gcc.dg/gomp/nesting-1.c  (test for errors, line 124)
FAIL: gcc.dg/gomp/nesting-1.c  (test for errors, line 130)
FAIL: gcc.dg/gomp/nesting-1.c  (test for errors, line 132)
FAIL: gcc.dg/gomp/nesting-1.c  (test for errors, line 134)
FAIL: gcc.dg/gomp/nesting-1.c  (test for errors, line 161)
FAIL: gcc.dg/gomp/nesting-1.c  (test for errors, line 164)
FAIL: gcc.dg/gomp/nesting-1.c  (test for errors, line 170)
FAIL: gcc.dg/gomp/nesting-1.c  (test for errors, line 174)
FAIL: gcc.dg/gomp/nesting-1.c  (test for errors, line 183)
FAIL: gcc.dg/gomp/nesting-1.c  (test for errors, line 193)
FAIL: gcc.dg/gomp/nesting-1.c  (test for errors, line 205)
FAIL: gcc.dg/gomp/nesting-1.c  (test for errors, line 234)
FAIL: gcc.dg/gomp/nesting-1.c  (test for errors, line 237)
FAIL: gcc.dg/gomp/nesting-1.c (test for excess errors)
FAIL: g++.dg/parse/parser-pr14875-2.C  -std=gnu++14  (test for errors, line 19)
FAIL: g++.dg/parse/parser-pr14875-2.C  -std=gnu++14  (test for errors, line 22)
FAIL: g++.dg/parse/parser-pr14875-2.C  -std=gnu++14  (test for errors, line 25)
FAIL: g++.dg/parse/parser-pr14875-2.C  -std=gnu++14 (test for excess errors)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 25)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 29)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 31)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 32)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 33)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 36)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 37)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 38)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 39)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 51)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 53)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 54)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 58)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 60)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 61)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 63)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 64)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 65)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 66)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 67)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 68)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 69)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 70)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 84)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 85)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 89)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 91)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 92)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 93)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 96)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 97)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 98)
FAIL: gfortran.dg/argument_checking_11.f90   -O   (test for errors, line 99)
FAIL: gfortran.dg/argument_checking_11.f90   -O  (test for excess errors)