[COMMITTED] Use infer instead of side-effect for ranges.

[Segher Boessenkool]

On Wed, May 25, 2022 at 10:35:31AM -0400, Andrew MacLeod wrote:
> Executive decision made.
> 
> gimple-range-side-effect.{h,cc}   -> gimple-range-infer.{h,cc}
> 
> class stmt_side_effects  -->  class gimple_infer_range
> 
> class side_effect_manager  -->  class infer_range_manager
> 
> various APIs/comments with the term "side effect"  renamed to "infer 
> range" or some variation of tense.

Thank you!


Segher