[PATCH] D85062: [WebAssembly] GC constructor functions in otherwise unused objects

[Dan Gohman via Phabricator via llvm-commits]

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This allows `__wasilibc_populate_libpreopen` to be GC'd in more cases
where it isn't needed, including when linked from Rust's libstd.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D85062

Files:
  lld/test/wasm/Inputs/ctor-ctor.s
  lld/test/wasm/Inputs/ctor-lib.s
  lld/test/wasm/Inputs/ctor-start.s
  lld/test/wasm/ctor-gc.test
  lld/wasm/InputFiles.h
  lld/wasm/MarkLive.cpp
  lld/wasm/Symbols.cpp
  lld/wasm/Writer.cpp

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