Rollup of 4 pull requests#92434

Merged

bors merged 9 commits intorust-lang:masterfrom

matthiaskrgr:rollup-m8wuq0v

Dec 30, 2021

Commits on Dec 4, 2021

ast: Avoid aborts on fatal errors thrown from mutable AST visitor
petrochenkov
committed

Commits on Dec 29, 2021