Regressions on trunk at revision 254594 vs revision 254580

[H.J. Lu ia32 Core i7]

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

New passes:
FAIL: gcc.dg/vect/pr65947-14.c -flto -ffat-lto-objects execution test
FAIL: gcc.dg/vect/slp-perm-9.c -flto -ffat-lto-objects  scan-tree-dump-times vect "vectorized 1 loops" 1 (found 2 times)
FAIL: gcc.dg/vect/slp-perm-9.c scan-tree-dump-times vect "vectorized 1 loops" 1 (found 2 times)
FAIL: gcc.target/i386/align-limit.c scan-assembler .p2align 6,,1
FAIL: gcc.target/i386/force-indirect-call-2.c scan-assembler-times call[ \\t]+\\*% 2 (found 3 times)
FAIL: gcc.target/i386/force-indirect-call-2.c scan-assembler-times jmp[ \\t]+\\*% 1 (found 0 times)
FAIL: gcc.target/i386/force-indirect-call-3.c (test for excess errors)
FAIL: gcc.target/i386/pr50038.c scan-assembler-times movzbl 2 (found 3 times)
FAIL: gcc.target/i386/pr71321.c scan-assembler-times lea.\t\\(%[0-9a-z]+,%[0-9a-z]+,4 3 (found 2 times)
FAIL: gcc.target/i386/pr82618.c scan-assembler \\mcmp
FAIL: g++.dg/vect/slp-pr56812.cc  -std=c++11  scan-tree-dump-times slp1 "basic block vectorized" 1 (found 0 times)
FAIL: g++.dg/vect/slp-pr56812.cc  -std=c++14  scan-tree-dump-times slp1 "basic block vectorized" 1 (found 0 times)
FAIL: g++.dg/vect/slp-pr56812.cc  -std=c++98  scan-tree-dump-times slp1 "basic block vectorized" 1 (found 0 times)