On: ISO C became unusable for operating systems develo...

[gpderetta]

I certainly do not think that each dead store which has been eliminated is a landmine, this is such an extreme position that it isn't even worth considering. In the very rare cases were I needed a store to actually happen I will use inline asm or some form of volatile.

[pjmlp → gpderetta]

Which coming back to the main subject isn't ISO C, rather a compiler extension.