GCC 16.1 released

Version16.1 of the GNU Compiler Collection (GCC) has beenreleased.

The C++ frontend now defaults to the GNU C++20 dialect and the correspondingparts of the standard library are no longer experimental. SeveralC++26 features receive experimental support, including Reflection(-freflection), Contracts, expansion statements and std::simd.

Other changes include the introduction of an experimental compilerfrontend for the Algol68 language,ability to output GCC diagnostics in HTML form, and more.