Regressions on trunk at revision 249155 vs revision 249143

[H.J. Lu x32 -fpic]

New failures:
ERROR: (DejaGnu) proc "^:\\" does not exist.
ERROR: (DejaGnu) proc "^:\\" does not exist.

New passes:
FAIL: gcc.dg/tree-ssa/builtin-sprintf-5.c scan-tree-dump-not optimized "failure_on_line"
FAIL: gcc.dg/tree-ssa/builtin-sprintf-5.c scan-tree-dump-not optimized "snprintf"
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/avx512bw-vpmovswb-1.c scan-assembler-times vpmovswb[ \\t]+[^{\n]*%xmm[0-9]+[^\n]*res1[^\n]*{%k[1-7]}(?:\n|[ \\t]+#) 1
FAIL: gcc.target/i386/avx512bw-vpmovswb-1.c scan-assembler-times vpmovswb[ \\t]+[^{\n]*%ymm[0-9]+[^\n]*res2[^\n]*{%k[1-7]}(?:\n|[ \\t]+#) 1
FAIL: gcc.target/i386/avx512bw-vpmovswb-1.c scan-assembler-times vpmovswb[ \\t]+[^{\n]*%zmm[0-9]+[^\n]*res3[^\n]*{%k[1-7]}(?:\n|[ \\t]+#) 1
FAIL: gcc.target/i386/avx512bw-vpmovuswb-1.c scan-assembler-times vpmovuswb[ \\t]+[^{\n]*%xmm[0-9]+[^\n]*res1[^\n]*{%k[1-7]}(?:\n|[ \\t]+#) 1
FAIL: gcc.target/i386/avx512bw-vpmovuswb-1.c scan-assembler-times vpmovuswb[ \\t]+[^{\n]*%ymm[0-9]+[^\n]*res2[^\n]*{%k[1-7]}(?:\n|[ \\t]+#) 1
FAIL: gcc.target/i386/avx512bw-vpmovuswb-1.c scan-assembler-times vpmovuswb[ \\t]+[^{\n]*%zmm[0-9]+[^\n]*res3[^\n]*{%k[1-7]}(?:\n|[ \\t]+#) 1
FAIL: gcc.target/i386/avx512bw-vpmovwb-1.c scan-assembler-times vpmovwb[ \\t]+[^{\n]*%xmm[0-9]+[^\n]*res1[^\n]*{%k[1-7]}(?:\n|[ \\t]+#) 1
FAIL: gcc.target/i386/avx512bw-vpmovwb-1.c scan-assembler-times vpmovwb[ \\t]+[^{\n]*%ymm[0-9]+[^\n]*res2[^\n]*{%k[1-7]}(?:\n|[ \\t]+#) 1
FAIL: gcc.target/i386/avx512bw-vpmovwb-1.c scan-assembler-times vpmovwb[ \\t]+[^{\n]*%zmm[0-9]+[^\n]*res3[^\n]*{%k[1-7]}(?:\n|[ \\t]+#) 1
FAIL: gcc.target/i386/pr70021.c scan-tree-dump-times vect "vectorized 1 loops" 2
FAIL: gcc.target/i386/pr71321.c scan-assembler-times lea.\t\\(%[0-9a-z]+,%[0-9a-z]+,4 3
FAIL: gcc.target/i386/pr71321.c scan-assembler-times lea.\t\\(%[0-9a-z]+,%[0-9a-z]+,8 1