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bors 95396f61bc Auto merge of #8617 - Alexendoo:relax-needless-late-init, r=giraffate 
`needless_late_init`: ignore `if let`, `let mut` and significant drops

No longer lints `if let`, personal taste on this one is pretty split, so it probably shouldn't be warning by default. Fixes #8613

```rust
let x = if let Some(n) = y {
    n
} else {
    1
}
```

No longer lints `let mut`, things like the following are not uncommon and look fine as they are

b169c16d86/src/sixty_four.rs (L88-L93)

Avoids changing the drop order in an observable way, where the type of `x` has a drop with side effects and something between `x` and the first use also does, e.g.

48cc6cb791/tests/test_api.rs (L159-L167)

The implementation of `type_needs_ordered_drop_inner` was changed a bit, it now uses `Ty::has_significant_drop` and reordered the ifs to check diagnostic name before checking the implicit drop impl

changelog: [`needless_late_init`]: No longer lints `if let` statements, `let mut` bindings and no longer significantly changes drop order
2022-04-27 00:11:17 +00:00
..
test_utils Merge commit '97a5daa65908e59744e2bc625b14849352231c75' into clippyup 2022-01-13 13:18:19 +01:00
ui Auto merge of #8617 - Alexendoo:relax-needless-late-init, r=giraffate 2022-04-27 00:11:17 +00:00
ui-cargo Handle relative paths in module_files lints 2022-03-30 18:44:04 +01:00
ui-internal collapsible <> collspible 2022-04-15 14:19:01 -07:00
ui-toml Add large_include_file lint 2022-04-24 10:08:31 -04:00
workspace_test Merge commit '97a5daa65908e59744e2bc625b14849352231c75' into clippyup 2022-01-13 13:18:19 +01:00
check-fmt.rs Run fmt test before compile-test/dogfood 2022-04-02 12:34:06 +01:00
clippy.toml Merge commit '3ae8faff4d46ad92f194c2a4b941c3152a701b31' into clippyup 2021-06-03 08:41:37 +02:00
compile-test.rs fixup! Add await_holding_invalid_type lint 2022-04-15 14:45:58 -07:00
dogfood.rs dogfood: allow unknown lints when not running with internal feature 2022-04-22 13:15:11 +01:00
integration.rs Merge commit 'cb7915b00c235e9b5861564f3be78dba330980ee' into clippyup 2021-09-28 18:03:12 +01:00
lint_message_convention.rs adding spell checking 2022-04-15 14:18:09 -07:00
missing-test-files.rs Merge commit 'e18101137866b79045fee0ef996e696e68c920b4' into clippyup 2021-11-04 12:52:36 +00:00
versioncheck.rs Remove cargo_metadata dependency from clippy 2022-04-01 23:18:47 -04:00
workspace.rs resolve the conflict in compiler/rustc_session/src/parse.rs 2022-03-16 20:12:30 +08:00