[PATCH] D120522: [MC][WebAssembly] Fix crash when relocation addend underlows U32

[Sam Clegg via Phabricator via llvm-commits]

sbc100 created this revision.
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For the object file writer we need to allow the underflow (ar write
zero), but for the final linker output we should probably generate an
error (I've left that as a TODO for now).

Fixes: https://github.com/llvm/llvm-project/issues/54012


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D120522

Files:
  lld/test/wasm/reloc-addend.s
  lld/wasm/InputChunks.cpp
  lld/wasm/InputFiles.cpp
  lld/wasm/InputFiles.h
  llvm/lib/MC/WasmObjectWriter.cpp
  llvm/test/MC/WebAssembly/reloc-code.s

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