[llvm-bugs] [Bug 35533] Wasm backend COMDAT support

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=35533

Nicholas Wilson <ncw at realvnc.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

--- Comment #22 from Nicholas Wilson <ncw at realvnc.com> ---
Working COMDAT support was merged in r322415 (https://reviews.llvm.org/D40845)
for LLD, https://reviews.llvm.org/D40844 for LLVM.

The model uses "COMDAT groupings" of symbols that are linked/discarded
together. We don't have GC yet, so the symbols are selected together
automatically, and the "discard these syms together" behaviour is explicit. The
implementation matches the ELF linker's implementation of COMDAT groups - but
that could be revised in future.

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