[PATCH] D99887: [lld][WebAssembly] Add `--export-if-defined`

[Sam Clegg via Phabricator via llvm-commits]

sbc100 created this revision.
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Unlike the existing `--export` option this will not causes errors
or warnings if the specified symbol is not defined.

See: https://github.com/emscripten-core/emscripten/issues/13736


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D99887

Files:
  lld/docs/WebAssembly.rst
  lld/test/wasm/export-if-defined.s
  lld/wasm/Config.h
  lld/wasm/Driver.cpp
  lld/wasm/Options.td
  lld/wasm/Writer.cpp

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