recent x86 testsuite failures

[Alan Modra]

The first one is due to _bfd_elf_make_dynamic_reloc_section being
called with a NULL dynobj, resulting in a segfault.

i386-lynxos  +FAIL: ld-misc/defsym1
i386-lynxos  +FAIL: ld-scripts/empty-address-1
i386-lynxos  +FAIL: ld-scripts/empty-address-2a
i386-lynxos  +FAIL: ld-scripts/empty-address-2b
i386-lynxos  +FAIL: ld-scripts/pr14962
i386-lynxos  +FAIL: ld-scripts/pr14962-2
i386-lynxos  +FAIL: ld-scripts/provide-2
i386-lynxos  +FAIL: ld-scripts/provide-4
i386-lynxos  +FAIL: sysroot-prefix common plain -Lpath, quoted
i386-lynxos  +FAIL: sysroot-prefix common plain -Lpath, unquoted
i386-lynxos  +FAIL: sysroot-prefix common root-anchored but -Lpath, quoted
i386-lynxos  +FAIL: sysroot-prefix common root-anchored but -Lpath, unquoted
i386-lynxos  +FAIL: sysroot-prefix common full-path, quoted
i386-lynxos  +FAIL: sysroot-prefix common full-path, unquoted
i386-lynxos  +FAIL: sysroot-prefix common root-anchored =-prefixed -Lpath, quoted
i386-lynxos  +FAIL: sysroot-prefix common root-anchored =-prefixed -Lpath, unquoted
i386-lynxos  +FAIL: sysroot-prefix common full-path =-prefixed with empty, quoted
i386-lynxos  +FAIL: sysroot-prefix common full-path =-prefixed with empty, unquoted
i386-lynxos  +FAIL: sysroot-prefix common plain =-prefixed with empty, quoted
i386-lynxos  +FAIL: sysroot-prefix common plain =-prefixed with empty, unquoted
i386-lynxos  +FAIL: sysroot-prefix common plain =-prefixed -Lpath, quoted
i386-lynxos  +FAIL: sysroot-prefix common plain =-prefixed -Lpath, unquoted
i386-lynxos  +FAIL: sysroot-prefix common full-path =-prefixed without, quoted
i386-lynxos  +FAIL: sysroot-prefix common full-path =-prefixed without, unquoted

-- 
Alan Modra
Australia Development Lab, IBM