[PATCH] alpha: Handle local weak undefined symbol value separately

[H.J. Lu]

Since local weak undefined symbol value is always 0, handle TLS
relocations against local weak undefined symbols separately.

bfd/

PR ld/34165
* elf64-alpha.c (elf64_alpha_local_undefweak_p): New function.
(elf64_alpha_relocate_section): Handle TLS relocations against
local weak undefined symbol value separately.

ld/testsuite/

PR ld/34165
* ld-alpha/alpha.exp: Run $srcdir/$subdir/*.d.
* ld-alpha/tlsbin-undef.d: New file.
* ld-alpha/tlsbin-undef.s: Likewise.
* ld-alpha/tlsbin-weak-undef1.d: Likewise.
* ld-alpha/tlsbin-weak-undef1.s: Likewise.
* ld-alpha/tlsbin-weak-undef2.d: Likewise.
* ld-alpha/tlsbin-weak-undef2.s: Likewise.
* ld-alpha/tlspic-undef.d: Likewise.
* ld-alpha/tlspic-undef.s: Likewise.
* ld-alpha/tlspic-weak-undef1.d: Likewise.
* ld-alpha/tlspic-weak-undef1.s: Likewise.


-- 
H.J.
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