Regressions on master at commit r14-9705 vs commit r14-9687 on Linux/x86_64

[H.J. Lu]

Regressions on master at commit r14-9705 vs commit r14-9687 on Linux/x86_64
New failures:
FAIL: gcc.target/i386/apx-ndd-tls-1b.c scan-assembler-times addq[ \t]+%r[a-z0-9]+, a@gottpoff\\(%rip\\), %r[a-z0-9]+ 1
FAIL: gcc.target/i386/pr101950-2.c scan-assembler-times \txor[ql]\t 2
FAIL: gcc.target/i386/pr101950-2.c scan-assembler-times \txor[ql]\t 2

New passes:
FAIL: gcc.dg/debug/btf/btf-datasec-1.c scan-assembler-times .4byte[\t ][a-e][\t ]+[^\n]*bts_offset 5
FAIL: gcc.dg/debug/btf/btf-datasec-1.c scan-assembler-times .4byte[\t ][a-e][\t ]+[^\n]*bts_offset 5
FAIL: gcc.dg/debug/btf/btf-datasec-1.c scan-assembler-times .4byte[\t ][a-e][\t ]+[^\n]*bts_offset 5
FAIL: gcc.dg/lto/save-temps c_lto_save-temps_0.o-c_lto_save-temps_0.o link,  -O -flto -save-temps