Tweak errors coming from `for`-loop, `?` and `.await` desugaring - #90939

Merged

bors merged 16 commits into

rust-lang:masterfrom

estebank:wg-af-polish

Dec 15, 2021

Commits on Dec 13, 2021

When `.await` is called on a non-`Future` expression, suggest removal
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7227a87
Reduce verbosity when calling `for`-loop on non-`Iterator` expression
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75b6275
Reduce verbosity for `?` on non-`Try` expressions
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caf0c1b
Further silence `?` errors
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81a3b90
Remove yet more output from `for`-loop and `?` errors
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79749d6
Remove unnecessary argument
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4f2b1c0
Fix mistake
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d45e030
Keep info on pre-desugaring expression for better "incorrect `.await`" suggestion
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f640438
Fix clippy uses of QPath::LangItem
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8888d0d
Fix rebase and clippy tests
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b825b0f
tidy fix
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9ecb141
Simplify diagnostic logic
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d59f74a
review comments
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64dea33
review comment: change wording of suggestion
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1a7f2d5
fix clippy tests
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64f88e8
fix coverage report test
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f2fc84f