(何处)clang是否记录了实现定义的行为? [英] (Where) Does clang document implementation-defined behavior?

问题描述

C中的实现定义的行为是未指定的行为，每个符合的实现都必须记录其选择.

我很容易在此处 或Microsoft C 此处，但找不到有关clang的任何此类文档.

我搜索错误还是没有这种东西?

解决方案

此票证 https://bugs.llvm.org/show_bug.cgi?id = 11272 仍然打开(已经有很多年了)，所以似乎clang并没有明确指定实现定义的行为.

在大多数情况下，我敢打赌它与GCC相同.

Implementation-defined behaviors in C are unspecified behaviors for which each conforming implementation must document its choice.

I found such documentations easily for gcc here or Microsoft C here, but I can't find any such documentation for clang.

Am I searching wrong or is there no such thing?

解决方案

This ticket https://bugs.llvm.org/show_bug.cgi?id=11272 is still opened (for many years now) so it seems that clang doesn't explicitly specify implementation defined behaviour.

For most cases I would bet that it's the same as GCC, though.

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