[ndesaulniers]

> C compiler is one of the most rigorously specified pieces of software out there

/me Laughs in "unspecified behavior."

[ori_b]

There's undefined behavior, which is quite well specified. What do you mean by unspecified behavior? Do you have an example?

[ndesaulniers]

https://www.open-std.org/jtc1/sc22/wg14/www/docs/n3685.pdf

Read section J.1.

[irishcoffee]

Undefined is absolutely clear in the spec.

Unspecified is whatever you want it to mean. I am also laughing, having never heard "unspecified" before.

[LiamPowell]

Unspecified behaviour is defined in the glossary at the start of the spec and the term "unspecified" appears over a hundred times...