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Why does the language standard need to prescribe everything. It is a standardization of between existing compilers, they are allowed and intended to invent things. If anything the experience from C++ has shown, that writing too much behaviour into the standard accidentally has consequences on the possible performance. The C standard is descriptive, not prescriptive.

> something that any programming language can offer in similar capacity?

By your measure a lot of other languages don't offer anything to begin with, because they do not have a standard at all, only a reference implementation.