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Re: [tree-ssa] Statement with no effect warning
> On Tue, 2003-12-16 at 13:59, Geoff Keating wrote:
>
> > Can we fix this? It would be better if it was impossible to write
> > code that will build on a compiler with checking enabled but won't
> > build on a compiler with checking disabled.
> >
> Contrived, but shows one recent example:
>
> foo(int a, int n)
> {
> int m = a;
>
> #if defined ENABLE_CHECKING
> if (m == 0)
> abort ();
> #endif
These examples would be solvable by using assert instead of if...abort
checking. I would quite preffer assert in these cases as it also makes
runtime messages more readable and the is less intrusive to non-checking
control flow, but I know it is not popular in GCC even when I don't
recall why.
Honza
>
> return n / a;
> }