[PATCH] D38170: [ELF] - Drop SHF_LINK_ORDER flag from output.

[George Rimar via Phabricator via llvm-commits]

grimar created this revision.
Herald added subscribers: javed.absar, emaste.

As was discussed in https://reviews.llvm.org/D37736 thread, we can drop SHF_LINK_ORDER
and do that early enough, so that this flag will not affect on
flags of sections that contains only symbol assignments and created in
`adjustSectionsBeforeSorting()`.

It also looks there is no reason to keep this flag when doing final link. 
this patch preserves it only when -r is given.


https://reviews.llvm.org/D38170

Files:
  ELF/Driver.cpp
  ELF/ICF.cpp
  ELF/InputSection.cpp
  ELF/InputSection.h
  ELF/MarkLive.cpp
  ELF/OutputSections.cpp
  ELF/SyntheticSections.cpp
  test/ELF/arm-exidx-canunwind.s
  test/ELF/arm-exidx-link.s
  test/ELF/arm-exidx-order.s
  test/ELF/arm-exidx-output.s

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