Re: [PATCH 2/2 v3][IRA,LRA] Fix PR86939, IRA incorrectly creates an interference between a pseudo register and a hard register

[Jeff Law <law at redhat dot com>]

On 10/8/18 8:43 AM, Christophe Lyon wrote:
> On Mon, 8 Oct 2018 at 16:13, Peter Bergner <bergner@linux.ibm.com> wrote:
>>
>> On 10/8/18 4:14 AM, Christophe Lyon wrote:
>>> Since r264897, we are seeing lots of regressions when bootstrapping on arm.
>>> There are execution errors as well as ICEs.
>>> A detailed list can be found at:
>>> https://ci.linaro.org/job/tcwg-compare-results/6498/artifact/artifacts/logs/1-diff-d05_32.tcwg-d05_32-build.txt
>>>
>>> You can also see the results posted on gcc-testresults.
>>
>> Sorry for the breakage.  I'll try and build a cross compiler to fix the
>> ICEs.  Hopefully all the other issues are related.
>>
> 
> Note that I saw ICEs only when bootstrapping, not when testing a cross-compiler.
My tester is showing a variety of problems as well.  hppa, sh4, aarch64,
aarch64_be, alpha arm* and s390x bootstraps are all failing at various
points.   Others may trickle in over time, but clearly something went
wrong recently.  I'm going to start trying to pick them off after the
morning meetings are wrapped up.


jeff