Before reading the comments on that article I knew that it's about C compiler authors (ab)using properties of the C language for optimizations (and other code-b

Before reading the comments on that article I knew that it's about C compiler authors (ab)using properties of the C language for optimizations (and other code-breaking behavior). Properties that some language lawyers cooked up back in the stone age to keep all compilers on all architectures compliant without further effort for developers, which is typical design by committee cruft to get people to buy in on the standard.