Uploaded November 2025 | Updated September 2026, 3 weeks ago

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2025 US LLVM Developers' Meeting

llvm.org/devmtg/2025-10

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Title: An Undefined Behavior Annex for C++

Speaker: Shafik Yaghmour

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Slides: llvm.org/devmtg/2025-10/slides/technical_talks/yaghmour.pdf

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Undefined behavior is a major source of bugs in C and C++ programs. In this talk, we will present a new Undefined Behavior Annex for C++. We will discuss how this annex can be used to detect and diagnose undefined behavior in C and C++ programs. We will also discuss how this work can be used to improve the quality of C and C++ compilers.
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