Regressions on master at commit r11-6268 vs commit r11-6250 on Linux/i686

[H.J. Lu]

New failures:
FAIL: gfortran.dg/unlimited_polymorphic_32.f03   -O0  execution test
FAIL: gfortran.dg/unlimited_polymorphic_32.f03   -O1  execution test
FAIL: gfortran.dg/unlimited_polymorphic_32.f03   -O2  execution test
FAIL: gfortran.dg/unlimited_polymorphic_32.f03   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  execution test
FAIL: gfortran.dg/unlimited_polymorphic_32.f03   -O3 -g  execution test
FAIL: gfortran.dg/unlimited_polymorphic_32.f03   -Os  execution test

New passes:
FAIL: gcc.dg/pr97750.c (test for excess errors)
FAIL: gcc.dg/pr97750.c  (test for warnings, line 17)