Re: [PATCH GCC8][07/33]Offset validity check in address expression

2017-05-05 Thread Richard Biener
On Thu, May 4, 2017 at 5:17 PM, Bin.Cheng wrote: > On Wed, May 3, 2017 at 10:49 AM, Richard Biener > wrote: >> On Tue, May 2, 2017 at 7:06 PM, Bin.Cheng wrote: >>> On Mon, Apr 24, 2017 at 11:34 AM, Richard Biener >>> wrote: On Tue, Apr 18, 2017 at 12:41 PM, Bin Cheng wrote: > Hi,

Re: PR80613

2017-05-05 Thread Richard Biener
On Thu, 4 May 2017, Jeff Law wrote: > On 05/04/2017 10:00 AM, Prathamesh Kulkarni wrote: > > Hi, > > As mentioned in PR, the issue is that cddce1 marks the call to > > __builtin_strdup as necessary: > > marking necessary through .MEM_6 stmt p_7 = __builtin_strdup (&d); > > > > and since p_7 doesn

Re: [PATCH] Small type_hash_canon improvement

2017-05-05 Thread Richard Biener
On Thu, 4 May 2017, Jakub Jelinek wrote: > On Thu, May 04, 2017 at 06:21:17PM +0200, Richard Biener wrote: > > >the > > >only other user after all calls free_node in a loop, so it is highly > > >unlikely it would do anything there. > > > > > >If you mean the INTEGER_TYPE handling, then yes, I gues

Re: [PATCH] Small type_hash_canon improvement

2017-05-05 Thread Jakub Jelinek
On Thu, May 04, 2017 at 06:27:00PM +0200, Jakub Jelinek wrote: > On Thu, May 04, 2017 at 06:21:17PM +0200, Richard Biener wrote: > > >the > > >only other user after all calls free_node in a loop, so it is highly > > >unlikely it would do anything there. > > > > > >If you mean the INTEGER_TYPE handl

Re: [PATCH] prevent -Wno-system-headers from suppressing -Wstringop-overflow (PR 79214)

2017-05-05 Thread Jakub Jelinek
On Thu, May 04, 2017 at 07:58:41PM -0600, Jeff Law wrote: > > Done. Are bugs of this type candidates for backporting to release > > branches? > Generally not since they are not regressions. They could also cause cause > false positives warnings which in turn could cause code that was previously >

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