Regressions on trunk at revision 259356 vs revision 259344

[H.J. Lu x32 -fpic]

New failures:

New passes:
FAIL: gcc.dg/graphite/pr84872.c (internal compiler error)
FAIL: gcc.dg/graphite/pr84872.c (test for excess errors)
FAIL: gcc.dg/guality/pr41616-1.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  execution test