[Bug tree-optimization/65519] [5 regression] unable to coalesce ssa_names 2 and 87 which are marked as MUST COALESCE

["rguenther at suse dot de" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65519

--- Comment #14 from rguenther at suse dot de <rguenther at suse dot de> ---
On Tue, 24 Mar 2015, ebotcazou at gcc dot gnu.org wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65519
> 
> --- Comment #13 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> > I'll add
> > 
> > Index: gcc/testsuite/gnat.dg/opt48.adb
> > ===================================================================
> > --- gcc/testsuite/gnat.dg/opt48.adb     (revision 0)
> > +++ gcc/testsuite/gnat.dg/opt48.adb     (working copy)
> > @@ -0,0 +1,11 @@
> > +-- { dg-do compile }
> > +-- { dg-options "-O2" }
> > +
> > +with Ada.Strings.Unbounded; use Ada.Strings.Unbounded;
> > +with Interfaces;            use Interfaces;
> > +
> > +package Opt48 is
> > +
> > +  type Arr is array (Unsigned_32 range <>) of Unbounded_String;
> > +
> > +end P;
> > 
> > given that passes in my bootstrap/test run.
> 
> Careful, it's a package spec only so it needs to have .ads extension and placed
> in gnat.dg/specs.

Ok, moved.