Rollup merge of #127477 - nnethercote:tweak-inner_attr_ranges, r=petrochenkov

Clear `inner_attr_ranges` regularly.

There's a comment saying we don't do it for performance reasons, but it doesn't actually affect performance.

The commit also tweaks the control flow, to make clearer that two code paths are mutually exclusive.

r? ````@petrochenkov````

Author: workingjubilee