[Bug tree-optimization/72787] Query related to gcc-4_6-branch fix for Bug-49279 (Getting issue with __restrict type qualifier)

[rguenther at suse dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72787

--- Comment #4 from rguenther at suse dot de <rguenther at suse dot de> ---
On Wed, 3 Aug 2016, ranjan.winner at gmail dot com wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72787
> 
> --- Comment #2 from martin <ranjan.winner at gmail dot com> ---
> (In reply to Richard Biener from comment #1)
> > You can't rely on __builtin_object_size this way, please look up its
> > documentation.
> 
> Hi Richard,
>  Sorry, can you kindly throw some more pointers over this.
>  Here is the link for gcc document on object-size-Checking:
>     https://gcc.gnu.org/onlinedocs/gcc/Object-Size-Checking.html
> 
> 
> Also some pointer over my Query:-
> 
> Why for gcc-4.6  changes with tree-ssa.c file are omitted but not in gcc-4.7
> branch 

Because the change is intrusive and not strictly required.