Regressions on trunk at revision 259363 vs revision 259351

[H.J. Lu ia32]

New failures:

New passes:
FAIL: gcc.dg/guality/pr41616-1.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  execution test
FAIL: gcc.dg/guality/pr41616-1.c   -O3 -g  execution test
FAIL: gfortran.dg/do_concurrent_5.f90   -O  (test for excess errors)