[all-commits] [llvm/llvm-project] df54f6: [ELF] Enhance --no-allow-shlib-undefined for non-e...

[Fangrui Song via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: df54f627fad789ccb11c72a9fddf116decbeba0e
      https://github.com/llvm/llvm-project/commit/df54f627fad789ccb11c72a9fddf116decbeba0e
  Author: Fangrui Song <i at maskray.me>
  Date:   2024-03-29 (Fri, 29 Mar 2024)

  Changed paths:
    M lld/ELF/InputFiles.cpp
    M lld/test/ELF/allow-shlib-undefined.s
    M lld/test/ELF/shlib-undefined-local.s

  Log Message:
  -----------
  [ELF] Enhance --no-allow-shlib-undefined for non-exported definitions

For a DSO with all DT_NEEDED entries accounted for, if it contains an
undefined non-weak symbol that shares a name with a non-exported
definition (hidden visibility or localized by a version script), and
there is no DSO definition, we should report an error.

#70769 implemented the error when we see `ref.so def-hidden.so`. This patch
implementes the error when we see `def-hidden.so ref.so`, matching GNU
ld.

Close #86777



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