Regressions on trunk at revision 225821 vs revision 225804

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

New failures:
FAIL: c-c++-common/ubsan/object-size-9.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  output pattern test
FAIL: gcc.dg/debug/dwarf2/stacked-qualified-types-3.c scan-assembler-times DIE \\([^\n]*\\) DW_TAG_(?:const|volatile|atomic|restrict)_type 8
FAIL: gcc.dg/debug/dwarf2/stacked-qualified-types-3.c scan-assembler-times DIE \\([^\n]*\\) DW_TAG_(?:const|volatile|atomic|restrict)_type 8
FAIL: gcc.dg/ipa/inline-7.c scan-tree-dump-times einline "Inlining a into m" 1
FAIL: gcc.dg/vect/costmodel/i386/costmodel-vect-31.c scan-tree-dump-times vect "vectorized 4 loops" 1
FAIL: gcc.dg/vect/costmodel/x86_64/costmodel-vect-31.c scan-tree-dump-times vect "vectorized 4 loops" 1
FAIL: gcc.target/i386/avx256-unaligned-load-4.c scan-assembler (avx_loadups256|vmovups[^\n\r]*movv8sf_internal)
FAIL: gcc.target/i386/fuse-caller-save-rec.c scan-assembler-not pop
FAIL: gcc.target/i386/fuse-caller-save-rec.c scan-assembler-not push
FAIL: gcc.target/i386/fuse-caller-save-rec.c scan-assembler-times addl\t%[re]?dx, %[re]?ax 1
FAIL: gcc.target/i386/fuse-caller-save-xmm.c scan-assembler-times addpd\t%xmm1, %xmm0 1
FAIL: gcc.target/i386/fuse-caller-save-xmm.c scan-assembler-times movapd\t%xmm0, %xmm1 1
FAIL: gcc.target/i386/pr52857-1.c (test for excess errors)
FAIL: gcc.target/i386/pr52857-2.c (test for excess errors)
FAIL: gcc.target/i386/pr53698.c (test for excess errors)
FAIL: gcc.target/i386/pr53698.c (test for excess errors)
FAIL: gcc.target/i386/pr54157.c (test for excess errors)
FAIL: gcc.target/i386/pr54157.c (test for excess errors)
FAIL: gcc.target/i386/pr66470.c (test for excess errors)
FAIL: gcc.target/i386/thunk-retbnd.c scan-tree-dump-times optimized "return &glob," 2
FAIL: gcc.target/i386/thunk-retbnd.c scan-tree-dump-times optimized "return &glob," 2

New passes:
FAIL: gcc.dg/ira-shrinkwrap-prep-2.c scan-rtl-dump pro_and_epilogue "Performing shrink-wrapping"
FAIL: gcc.dg/tree-ssa/inline-8.c scan-tree-dump-times einline "Inlining" 5
FAIL: gcc.dg/tree-ssa/inline-9.c scan-tree-dump-times optimized "q \\(15\\)" 1
FAIL: gcc.dg/tree-ssa/ipa-split-6.c scan-tree-dump optimized "part"
FAIL: gcc.target/i386/387-12.c scan-assembler fld1
FAIL: gcc.target/i386/387-12.c scan-assembler fldz
FAIL: gcc.target/i386/pr49781-1.c scan-assembler-not lea[lq]?[ \t]\\((%|)r[a-z0-9]*
FAIL: gcc.target/i386/pr55116-1.c (test for excess errors)
FAIL: gcc.target/i386/pr55116-2.c (test for excess errors)
FAIL: gcc.target/i386/pr55597.c (test for excess errors)
FAIL: gcc.target/i386/pr55597.c (test for excess errors)
FAIL: gcc.target/i386/pr61403.c scan-assembler blend