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6572a46311
normalize types every time HR regions are erased Associated type normalization is inhibited by higher-ranked regions. Therefore, every time we erase them, we must re-normalize. I was meaning to introduce this change some time ago, but we used to erase regions in generic context, which broke this terribly (because you can't always normalize in a generic context). That seems to be gone now. Ensure this by having a `erase_late_bound_regions_and_normalize` function. Fixes #37109 (the missing call was in mir::block). r? @eddyb