Regressions on master at commit r13-3602 vs commit r13-3586 on Linux/i686

[H.J. Lu]

New failures:
FAIL: gcc.dg/guality/pr54693-2.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  -DPREVENT_OPTIMIZATION line 21 x == 10 - i
FAIL: gcc.dg/guality/pr54693-2.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  -DPREVENT_OPTIMIZATION line 21 y == 20 - 2 * i
FAIL: gcc.dg/guality/pr54693-2.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  -DPREVENT_OPTIMIZATION line 21 z == 30 - 3 * i
FAIL: libgomp.fortran/target-nowait-array-section.f90   -O  execution test

New passes: