On Fri, Mar 21, 2014 at 11:28:14AM +0100, Richard Biener wrote:
>
> This fixes a missed optimization regarding to coverage counters.
> In the past we failed to apply proper may-alias analysis and
> disregarded those counters as being possibly aliased by pointers
> by accident. The following patch adds a flag so we can mark
> VAR_DECLs as to be not considered as aliased by pointers so we
> can make that an informed decision in this case (even though
> strictly wrong - the address to those counters escapes into
> the gcov info struct we build and pass to __gcov_init).
>
> Profiledbootstrapped and tested on x86_64-unknown-linux-gnu, ok for trunk?
Ok.
> Do we eventually want sth like this for the branch(es)?
I'd say no, or at least not immediately.
Jakub
