[cfe-commits] [PATCH][PR11329][v7] Generalize -Wempty-body: warn when statement body is empty

[Dmitri Gribenko]

On Thu, Jan 19, 2012 at 1:11 AM, Dmitri Gribenko <gribozavr at gmail.com> wrote:
> Attached is a patch that implements enhancement proposed in PR11329.
>
> As suggested by Argyrios, this patch implements:
> * a stack of "CompoundScopeInfo"s, helper functions to push/pop them,
> ActOn{Start,Finish}OfCompoundStatement callbacks;
> * a check if the warning is actually enabled before doing costly checks.
>
> Doing this uncovered a bug in TreeTransfom, Sema::ActOnBlockError was
> not called in all cases.  This is also fixed.
>
> I've ran a chromium build again and found 3 false positives (-1
> because one previously affected file now builds with -Wno-empty-body).

I accidentally sent an old version with an error.  Here's a correct version.

Please review.

Dmitri

-- 
main(i,j){for(i=2;;i++){for(j=2;j<i;j++){if(!(i%j)){j=0;break;}}if
(j){printf("%d\n",i);}}} /*Dmitri Gribenko <gribozavr at gmail.com>*/
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