* ld-bootstrap/bootstrap.exp: Rebuild tmpdir/ld2 with tmpdir/ld3
on Linux/mips.
* ld-elfvers/vers.exp: Also run on istarget Linux/mips.
* ld-elfvsb/elfvsb.exp: Likewise.
* ld-shared/shared.exp: Likewise.
* ld-selective/selective.exp: Mark selective2, selective3,
selective4 and selective5 xfail on Linux/mips.
* ld-shared/main.c: Skip invalid -Bsymbolic tests on Linux/mips.
* symbolic.dat: Remove invalid -Bsymbolic tests on Linux/mips.
* ld-srec/srec.exp: Add Linux/mips to xfail.
* ld-bootstrap/bootstrap.exp: Rebuild tmpdir/ld2 with tmpdir/ld3
for -static on ia64.
* ld-checks/checks.exp: Don't run on ia64-*-elf* nor
ia64-*-linux*.
* ld-elfvers/vers.exp: Also run ia64-*-elf* and ia64-*-linux*.
* ld-elfvsb/elfvsb.exp: Use i?86-*-*. Also run on ia64-*-linux*.
Set up expected failures for ia64-*-linux*.
* ld-shared/shared.exp: Likewise.
* ld-elfvsb/elfvsb.exp (support_protected): New variable. Check
and set to "yes" if the protected visibility is expected to
pass.
(visibility_run): Set expected to fail for the "protected"
and "protected_undef_def" tests only if $support_protected is
"no".
* ld-elfvsb/main.c (PROTECTED_CHECK): Check for the protected
visibility support if defined.
* ld-elfvsb/elfvsb.exp (visibility_run): Set expected failure
for "protected_undef_def".
* ld-elfvsb/main.c: Don't define HIDDEN_UNDEF_TEST when
PROTECTED_WEAK_TEST is defined.
Don't define PROTECTED_UNDEF_TEST when PROTECTED_WEAK_TEST is
defined.
Define PROTECTED_TEST when PROTECTED_UNDEF_TEST is defined.
* ld-elfvsb/sh1.c (visibility): Mark protected only if
PROTECTED_TEST, PROTECTED_UNDEF_TEST or PROTECTED_WEAK_TEST
is defined.
(visibility_var): Likewise.
