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

[SAI_Peregrinus]

To me, the "situation" is that `a[6]` is being assigned to. So I'd make the compiler ignore the situation, and omit line 3.

Then the compiler could optimize the remaining program, possibly by putting `a` into registers.

I think you have a different view on what the "situation" is, so that your view of ignoring it is different from mine (and CRConrads, etc).