Regressions on trunk at revision 249500 vs revision 249495

[H.J. Lu ia32]

New failures:
FAIL: gcc.target/i386/addr-space-1.c (test for excess errors)
FAIL: gcc.target/i386/pr69225-7.c (test for excess errors)
FAIL: gcc.target/i386/pr70062.c (test for excess errors)
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
FAIL: gcc.target/i386/pr78451.c (test for excess errors)
FAIL: gcc.target/i386/pr78691-i386.c (test for excess errors)
FAIL: gcc.target/i386/pr79683.c scan-assembler-times %gs 2
FAIL: gcc.target/i386/pr79683.c scan-assembler-times padd 1
FAIL: gcc.target/i386/pr79690.c scan-assembler mov[au]p.[ \t][^,]+, %gs:
FAIL: gcc.target/i386/pr79723.c scan-assembler mov[au]p.[ \t][^,]+, %gs:
ERROR: tcl error sourcing /export/gnu/import/git/gcc-test-ia32/src-trunk/gcc/testsuite/gcc.dg/vect/vect.exp.
ERROR: unmatched open brace in list

New passes: