[PATCH] D126950: [lld][WebAssembly] Retain data segments referenced via __start/__stop

[Yuta Saito via Phabricator via llvm-commits]

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[lld][WebAssembly] Retain data segments referenced via __start/__stop

As well as ELF linker does, retain all data segments named X referenced
through `__start_X` or `__stop_X`.

This fixes https://github.com/llvm/llvm-project/issues/55839


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D126950

Files:
  lld/test/wasm/gc-sections-metadata-startstop.ll
  lld/wasm/InputChunks.cpp
  lld/wasm/InputChunks.h
  lld/wasm/MarkLive.cpp
  lld/wasm/Writer.cpp

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