Re: [PATCH][GCC 10] tree-opt: Fix segfault in tree-if-conv.c with -march=armv8.2-a+sve [PR97849]

[Richard Biener via Gcc-patches]

On Wed, Mar 31, 2021 at 3:31 PM Alex Coplan via Gcc-patches
<gcc-patches@gcc.gnu.org> wrote:
>
> Hi all,
>
> I'd like to backport the fix for PR97849 to GCC 10. The patch on trunk:
> https://gcc.gnu.org/g:5700973f4a30762b4fc21687bb5f7843e55da2e4
> applies cleanly to the 10 branch.
>
> Bootstrapped and regtested on aarch64-linux-gnu, no regressions.
>
> OK for GCC 10.3?

OK.

> Thanks,
> Alex
>
> ---
>
> gcc/ChangeLog
> 2020-11-24  Prathamesh Kulkarni  <prathamesh.kulka...@linaro.org>
>
>         PR tree-optimization/97849
>         * tree-if-conv.c (tree_if_conversion): Move ssa_name
>         replacement code from ifcvt_local_dce to this function
>         before calling do_rpo_vn.
>
> gcc/testsuite/ChangeLog
> 2020-11-24  Prathamesh Kulkarni  <prathamesh.kulka...@linaro.org>
>
>         PR tree-optimization/97849
>         * gcc.dg/tree-ssa/pr97849.c: New test.