[all-commits] [llvm/llvm-project] 033835: [llvm-c] Add missing nullptr check in LLVMGetFirst...

[Maxime Arthaud via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 0338350ccb506020529259427ec1c66ca6569749
      https://github.com/llvm/llvm-project/commit/0338350ccb506020529259427ec1c66ca6569749
  Author: Maxime Arthaud <maxime at arthaud.me>
  Date:   2025-10-05 (Sun, 05 Oct 2025)

  Changed paths:
    M llvm/lib/IR/Core.cpp
    M llvm/tools/llvm-c-test/debuginfo.c

  Log Message:
  -----------
  [llvm-c] Add missing nullptr check in LLVMGetFirstDbgRecord (#151101)

I'm using the LLVM C bindings through the llvm-sys rust crate, and
noticed that LLVMGetFirstDbgRecord and LLVMGetLastDbgRecord are
segfault-ing when called on instructions without debug markers. I found
out it's missing a null pointer check. This PR fixes the issue.



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