Regressions on trunk at revision 244907 vs revision 244893

[H.J. Lu Intel64 -fpic -mcmodel=medium -mcmodel=large]

New failures:

New passes:
FAIL: gcc.dg/tree-ssa/pr69270-3.c scan-tree-dump-times uncprop1 ", 1" 4
FAIL: gcc.dg/tree-ssa/pr69270-3.c scan-tree-dump-times uncprop1 ", 1" 4
FAIL: gcc.dg/tree-ssa/pr69270-3.c scan-tree-dump-times uncprop1 ", 1" 4