Regressions on trunk at revision 239637 vs revision 239606

[H.J. Lu]

New failures:
FAIL: gcc.dg/torture/fp-int-convert-float32x-timode.c   -O0  execution test
FAIL: gcc.dg/torture/fp-int-convert-float32x-timode.c   -O1  execution test
FAIL: gcc.dg/torture/fp-int-convert-float32x-timode.c   -O2  execution test
FAIL: gcc.dg/torture/fp-int-convert-float32x-timode.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  execution test
FAIL: gcc.dg/torture/fp-int-convert-float32x-timode.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  execution test
FAIL: gcc.dg/torture/fp-int-convert-float32x-timode.c   -O3 -g  execution test
FAIL: gcc.dg/torture/fp-int-convert-float32x-timode.c   -Os  execution test
FAIL: gfortran.dg/graphite/pr68279.f90   -O  (internal compiler error)
FAIL: gfortran.dg/graphite/pr68279.f90   -O  (test for excess errors)

New passes:
FAIL: gcc.dg/tree-ssa/pr71347.c scan-tree-dump-not optimized ".* = MEM.*;"
FAIL: gcc.dg/tree-ssa/pr71347.c scan-tree-dump-not optimized ".* = MEM.*;"