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A comment on Goals and Priorities for C++. Parent comment

Re:Goals and Priorities for C++ by saagarjha on Friday May 22, 2020 @03:35AM (#23269560)
> Will this be well-defined behavior?

No, it’s illegal in C++. Use std::bit_cast.

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Re:Goals and Priorities for C++ by corysama on Friday May 22, 2020 @04:11AM (#23269735)
You apparently are being downvoted unfairly while you are correct. Writing to u64 then reading from u32 is undefined behavior in C++. Only reading from the last union member that was written to is defined.
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Re:Goals and Priorities for C++ by danielscrubs on Friday May 22, 2020 @06:29AM (#23270546)
Because he was using future tense, not past tense.
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Re:Goals and Priorities for C++ by saagarjha on Friday May 22, 2020 @12:50PM (#23274127)
I doubt this will be changed in the future, especially since there have been multiple ways to represent this operation in the language now.
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