[PATCH] D144747: [lld][WebAssembly] Fix handling of mixed strong and weak references

[Sam Clegg via Phabricator via llvm-commits]

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When adding a undefined symbols to the symbol table, if the existing
reference is weak replace the symbol flags with (potentially) non-weak
binding.

Fixes: https://github.com/llvm/llvm-project/issues/60829


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D144747

Files:
  lld/test/wasm/Inputs/strong-refs.s
  lld/test/wasm/weak-undefined.s
  lld/wasm/SymbolTable.cpp
  llvm/lib/Object/WasmObjectFile.cpp

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