[PATCH] Fix PR43379

[H.J. Lu]

On Tue, Mar 16, 2010 at 5:29 AM, Richard Guenther <rguenther@suse.de> wrote:
>
> This fixes PR43379, for VOPs we need to merge
> SSA_NAME_OCCURS_IN_ABNORMAL_PHI when propagating single-argument
> PHIs.
>
> Bootstrapped and tested on x86_64-unknown-linux-gnu, applied to trunk.
>
> Richard.
>
> 2010-03-16  Richard Guenther  <rguenther@suse.de>
>
>        PR middle-end/43379
>        * tree-cfg.c (gimple_merge_blocks): When propagating virtual
>        PHI operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI
>        properly.
>
>        * gcc.dg/pr43379.c: New testcase.

I got

FAIL: gcc.dg/pr43379.c (test for excess errors)

on Linux/ia32.

-- 
H.J.