packages:mold: add version 2.39.1

Add newly released mold version 2.39.1 from upstream
https://github.com/rui314/mold

2.39.1
- Fixed a potential use-after-free issue that occurred when doing LTO
  (link-time optimization) with LLVM.

2.39.0
New Features
- [ARM32] Support for 32-bit big-endian ARM has been added. Although
  running ARM32 in big-endian mode is very rare, the processor does
  technically support both little- and big-endian modes, and we now
  support both.

- There are two variants of big-endian mode for ARM32: BE32 and BE8.
  BE32 is now obsolete and uses big-endian format for both instructions
  and data. In BE8, instructions are always in little-endian (i.e., the
  same as little-endian ARM32), while only the data is in big-endian.
  mold supports only BE8 output.

Bug Fixes and Compatibility Improvements
- Fixed a spurious --no-allow-shlib-undefined error.

- [ARM][PPC] Fixed a regression introduced in 2.38.0 that mold could
  crash when linking a large program.

- Previously, --default-symver didn't set versions to symbols if the
  symbols were marked as global: in a version script. Now,
  --default-symver correctly version all symbols with the soname of the
  output file.

- [RISC-V] Fixed an issue where mold reported an error on R_RISCV_32
  when the target was 64-bit RISC-V.

- [RISC-V] Fixed an issue where a call to an weak undefined symbol
  within the same shared library was mistakenly turned into an infinite
  loop. Now, such calls are promoted to a function call through the PLT
  entry.

- Fixed an issue that mold falls into an infinite loop in a rare
  occasion when computing an address of the program header.

Signed-off-by: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no>

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