tree 11f9ae63e6444085c8329c724fd93aa176f722b0
parent f40001372b54ce68507f36b600f798e832478e16
author Yingwei Zheng <dtcxzyw2333@gmail.com> 1744339868 +0800
committer GitHub <noreply@github.com> 1744339868 +0800
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[Clang][CodeGen] Do not set inbounds flag in `EmitMemberDataPointerAddress` when the base pointer is null (#130952)

See also https://github.com/llvm/llvm-project/pull/130734 for the
original motivation.

This pattern (`container_of`) is also widely used by real-world
programs.
Examples:

https://github.com/llvm/llvm-project/blob/1d89d7d5d76e391b035f50343e2a4890506c6f2b/llvm/include/llvm/IR/SymbolTableListTraits.h#L77-L87

https://github.com/nodejs/node/blob/a2a53cb728ec5f776ac16879ce0f480a8e838320/src/util-inl.h#L134-L137
https://github.com/search?q=*%29nullptr-%3E*&type=code