The top of the page says: > All other things being equal, assume GCC/LLVM x86/x64 implementation-defined behaviors. However, you're right to point out that th

The top of the page says: > All other things being equal, assume GCC/LLVM x86/x64 implementation-defined behaviors. However, you're right to point out that the quiz would be better if you can't make any more assumptions than guaranteed by the basic language standard.