On 7/2/19 2:59 PM, Jeff Law wrote:
On 6/30/19 3:50 PM, Martin Sebor wrote:
On 6/26/19 6:11 PM, Jeff Law wrote:
[ Another big snip ]
Is there a strong need for an overloaded operator? Our guidelines
generally discourage operator overloads. This one seems on the border
to me. Others may hav
On 6/30/19 3:50 PM, Martin Sebor wrote:
> On 6/26/19 6:11 PM, Jeff Law wrote:
[ Another big snip ]
>
>> Is there a strong need for an overloaded operator? Our guidelines
>> generally discourage operator overloads. This one seems on the border
>> to me. Others may have different ideas where the
On 6/26/19 6:11 PM, Jeff Law wrote:
On 6/18/19 9:19 PM, Martin Sebor wrote:
On 6/14/19 2:59 PM, Jeff Law wrote:
[ big snip ]
A COND_EXPR on the RHS of an assignment is valid gimple. That's what we
need to consider here -- what is and what is not valid gimple. And its
more likely that PHIs wi
On 6/18/19 9:19 PM, Martin Sebor wrote:
> On 6/14/19 2:59 PM, Jeff Law wrote:
[ big snip ]
>> A COND_EXPR on the RHS of an assignment is valid gimple. That's what we
>> need to consider here -- what is and what is not valid gimple. And its
>> more likely that PHIs will be transformed into RHS CON
Ping: did my reply and updated patch resolve your concerns?
https://gcc.gnu.org/ml/gcc-patches/2019-06/msg01106.html
On 6/18/19 9:19 PM, Martin Sebor wrote:
On 6/14/19 2:59 PM, Jeff Law wrote:
On 6/4/19 1:40 PM, Martin Sebor wrote:
On 6/3/19 5:24 PM, Martin Sebor wrote:
On 5/31/19 2:46 PM,
On 6/14/19 2:59 PM, Jeff Law wrote:
On 6/4/19 1:40 PM, Martin Sebor wrote:
On 6/3/19 5:24 PM, Martin Sebor wrote:
On 5/31/19 2:46 PM, Jeff Law wrote:
On 5/22/19 3:34 PM, Martin Sebor wrote:
-Wreturn-local-addr detects a subset of instances of returning
the address of a local object from a fun
On 6/3/19 5:24 PM, Martin Sebor wrote:
On 5/31/19 2:46 PM, Jeff Law wrote:
On 5/22/19 3:34 PM, Martin Sebor wrote:
-Wreturn-local-addr detects a subset of instances of returning
the address of a local object from a function but the warning
doesn't try to handle alloca or VLAs, or some non-trivi
On Mon, Jun 3, 2019 at 1:27 PM Richard Biener
wrote:
>
> On Mon, Jun 3, 2019 at 11:37 AM Richard Biener
> wrote:
> >
> > On Fri, May 31, 2019 at 5:35 PM Jeff Law wrote:>
> > > On 5/30/19 4:56 PM, Martin Sebor wrote:
> > > > On 5/30/19 10:15 AM, Jeff Law wrote:
> > > >> On 5/30/19 9:34 AM, Martin
On 5/31/19 2:46 PM, Jeff Law wrote:
On 5/22/19 3:34 PM, Martin Sebor wrote:
-Wreturn-local-addr detects a subset of instances of returning
the address of a local object from a function but the warning
doesn't try to handle alloca or VLAs, or some non-trivial cases
of ordinary automatic variables
On 6/3/19 3:37 AM, Richard Biener wrote:
> On Fri, May 31, 2019 at 5:35 PM Jeff Law wrote:>
>> On 5/30/19 4:56 PM, Martin Sebor wrote:
>>> On 5/30/19 10:15 AM, Jeff Law wrote:
On 5/30/19 9:34 AM, Martin Sebor wrote:
>>> If the alias oracle can be used to give the same results without
On Mon, Jun 3, 2019 at 11:37 AM Richard Biener
wrote:
>
> On Fri, May 31, 2019 at 5:35 PM Jeff Law wrote:>
> > On 5/30/19 4:56 PM, Martin Sebor wrote:
> > > On 5/30/19 10:15 AM, Jeff Law wrote:
> > >> On 5/30/19 9:34 AM, Martin Sebor wrote:
> > >>
> > > If the alias oracle can be used to give
On Fri, May 31, 2019 at 5:35 PM Jeff Law wrote:>
> On 5/30/19 4:56 PM, Martin Sebor wrote:
> > On 5/30/19 10:15 AM, Jeff Law wrote:
> >> On 5/30/19 9:34 AM, Martin Sebor wrote:
> >>
> > If the alias oracle can be used to give the same results without
> > excessive false positives then I th
On 5/22/19 3:34 PM, Martin Sebor wrote:
> -Wreturn-local-addr detects a subset of instances of returning
> the address of a local object from a function but the warning
> doesn't try to handle alloca or VLAs, or some non-trivial cases
> of ordinary automatic variables[1].
>
> The attached patch ex
On 5/30/19 4:56 PM, Martin Sebor wrote:
> On 5/30/19 10:15 AM, Jeff Law wrote:
>> On 5/30/19 9:34 AM, Martin Sebor wrote:
>>
> If the alias oracle can be used to give the same results without
> excessive false positives then I think it would be fine to make
> use of it. Is that somethi
On 5/30/19 11:23 AM, Jason Merrill wrote:
> On Thu, May 30, 2019 at 12:16 PM Jeff Law wrote:
>>
>> On 5/30/19 9:34 AM, Martin Sebor wrote:
>>
> If the alias oracle can be used to give the same results without
> excessive false positives then I think it would be fine to make
> use of it
On 5/30/19 10:15 AM, Jeff Law wrote:
On 5/30/19 9:34 AM, Martin Sebor wrote:
If the alias oracle can be used to give the same results without
excessive false positives then I think it would be fine to make
use of it. Is that something you consider a prerequisite for
this change or should I loo
On Thu, May 30, 2019 at 12:16 PM Jeff Law wrote:
>
> On 5/30/19 9:34 AM, Martin Sebor wrote:
>
> >>> If the alias oracle can be used to give the same results without
> >>> excessive false positives then I think it would be fine to make
> >>> use of it. Is that something you consider a prerequisit
On 5/30/19 9:34 AM, Martin Sebor wrote:
>>> If the alias oracle can be used to give the same results without
>>> excessive false positives then I think it would be fine to make
>>> use of it. Is that something you consider a prerequisite for
>>> this change or should I look into it as a followup?
On 5/30/19 9:13 AM, Jeff Law wrote:
On 5/30/19 8:52 AM, Martin Sebor wrote:
On 5/29/19 11:45 AM, Jeff Law wrote:
On 5/22/19 3:34 PM, Martin Sebor wrote:
-Wreturn-local-addr detects a subset of instances of returning
the address of a local object from a function but the warning
doesn't try to h
On 5/30/19 8:52 AM, Martin Sebor wrote:
> On 5/29/19 11:45 AM, Jeff Law wrote:
>> On 5/22/19 3:34 PM, Martin Sebor wrote:
>>> -Wreturn-local-addr detects a subset of instances of returning
>>> the address of a local object from a function but the warning
>>> doesn't try to handle alloca or VLAs, or
On 5/29/19 11:45 AM, Jeff Law wrote:
On 5/22/19 3:34 PM, Martin Sebor wrote:
-Wreturn-local-addr detects a subset of instances of returning
the address of a local object from a function but the warning
doesn't try to handle alloca or VLAs, or some non-trivial cases
of ordinary automatic variable
On 5/22/19 3:34 PM, Martin Sebor wrote:
> -Wreturn-local-addr detects a subset of instances of returning
> the address of a local object from a function but the warning
> doesn't try to handle alloca or VLAs, or some non-trivial cases
> of ordinary automatic variables[1].
>
> The attached patch ex
-Wreturn-local-addr detects a subset of instances of returning
the address of a local object from a function but the warning
doesn't try to handle alloca or VLAs, or some non-trivial cases
of ordinary automatic variables[1].
The attached patch extends the implementation of the warning to
detect t
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