[PR 87073] [committed] fix go bootstrap

[Aldy Hernandez]

On 08/24/2018 12:56 PM, H.J. Lu wrote:
> n Fri, Aug 24, 2018 at 1:02 AM Aldy Hernandez <aldyh@redhat.com> wrote:
>>
>> I have no idea how this passed bootstrap and tests in other languages.
>>
>> The problem here is that wide_int_binop is overflowing on TRUNC_DIV_EXPR
>> and a range in Go.  This is causing us to use wmin/wmax uninitialized.
>>
>> Serves me right for all my whining about Ada yesterday.  I think the VRP
>> changes are sufficiently all encompassing that I will start testing
>> --enable-languages=all instead of whatever our defaults are.  My bad.
>>
>> Committed as obvious.
> 
> This patch also fixed:
> 
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87092
> 
> I am checking in this patch to add a testcase.
> 

Thank you.