Optimizing out unreferenced variables

Dan Bernstein brnstnd at kramden.acf.nyu.edu
Wed May 8 05:03:14 AEST 1991


In article <1475 at ecicrl.ocunix.on.ca> clewis at ferret.ocunix.on.ca (Chris Lewis) writes:
> I've not tried this myself, but I would presume that if the compiler
> is ANSI compliant, you can probably declare such variables "volatile"
> and the compiler will not optimize them out.  Volatile does work in
> similar situations with the RS/6000 compiler.

It's a whole bunch more portable and useful to give the user some
options to print out those strings. End of story.

---Dan



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