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

[Peter Bergner]

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.

Peter