* coff-rs6000.c (xcoff_ppc_relocate_section): Allow undefined
symbols to be left unimported when linking statically.
* xcofflink.c (xcoff_link_add_symbols): Ignore global linkage
code when linking statically.
ld/testsuite/
* ld-powerpc/aix-glink-3.s, ld-powerpc/aix-glink-3a.s,
ld-powerpc/aix-glink-3b.s, ld-powerpc/aix-glink-3.dd,
ld-powerpc/aix-glink-3-32.d, ld-powerpc/aix-glink-3-64.d: New tests.
* ld-powerpc/aix52.exp: Run them. Move the lineno tests to maintain
alphabetical order.
