[Bug tree-optimization/120451] CSWTCH variables should be mergable

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120451

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2025-05-28

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
We just need to add:
      DECL_MERGEABLE (decl) = 1;

after we create the variable.

I will handle this soon.

I Noticed this while looking into code generation of GCC itself.