Regressions on trunk at revision 153564 vs revision 153548

[H.J. Lu ia64]

New failures:
FAIL: g++.dg/lookup/extern-c-redecl3.C scan-assembler call[\t ]+fork
FAIL: g++.dg/lookup/extern-c-redecl4.C scan-assembler call[\t ]+_Z4forkv
FAIL: gcc.dg/lto/20081120-1 c_lto_20081120-1_0.o-c_lto_20081120-1_1.o link
FAIL: gcc.dg/lto/20081120-2 c_lto_20081120-2_0.o-c_lto_20081120-2_1.o link
FAIL: gcc.dg/lto/20081204-1 c_lto_20081204-1_0.o-c_lto_20081204-1_1.o link
FAIL: gcc.dg/lto/20081212-1 c_lto_20081212-1_0.o-c_lto_20081212-1_0.o link
ERROR: can't read "name": no such variable
ERROR: couldn't compile regular expression pattern: quantifier operand invalid
ERROR: tcl error sourcing /export/gnu/import/svn/gcc-test/src-trunk/gcc/testsuite/g++.dg/dg.exp.
ERROR: tcl error sourcing /export/gnu/import/svn/gcc-test/src-trunk/gcc/testsuite/gcc.dg/lto/lto.exp.

New passes: