Regressions on master at commit r14-3360 vs commit r14-3347 on Linux/i686

[H.J. Lu]

New failures:

New passes:
FAIL: gcc.dg/vect/bb-slp-46.c -flto -ffat-lto-objects  scan-tree-dump-not optimized "tem3_[0-9]+ = "
FAIL: gcc.dg/vect/bb-slp-46.c -flto -ffat-lto-objects  scan-tree-dump slp2 "extracting lane for live stmt"
FAIL: gcc.dg/vect/bb-slp-46.c scan-tree-dump-not optimized "tem3_[0-9]+ = "
FAIL: gcc.dg/vect/bb-slp-46.c scan-tree-dump slp2 "extracting lane for live stmt"
FAIL: gcc.target/i386/pr87007-5.c scan-assembler-times vxorps[^\n\r]*xmm[0-9] 0