[all-commits] [llvm/llvm-project] 8e7726: [llvm][mustache] Fix UB in ASTNode::render() (#142...

[Paul Kirth via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8e77263ad0031192b895564e470b9d8b16e4414e
      https://github.com/llvm/llvm-project/commit/8e77263ad0031192b895564e470b9d8b16e4414e
  Author: Paul Kirth <paulkirth at google.com>
  Date:   2025-06-04 (Wed, 04 Jun 2025)

  Changed paths:
    M llvm/lib/Support/Mustache.cpp

  Log Message:
  -----------
  [llvm][mustache] Fix UB in ASTNode::render() (#142249)

The current implementation set a reference to a nullptr, leading to all
kinds of problems. Instead, we can check the various uses to ensure we
don't deref invalid memory, and improve the logic for how contexts are
passed to children, since that was also subtly wrong in some cases.



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