Auto merge of #85053 - camsteffen:duplicate-lint, r=davidtwco

Fix duplicate unknown lint errors

Fixes rust-lang/rust-clippy#6602

Author: bors

compiler/rustc_lint/src/early.rs

@@ -367,11 +367,11 @@ pub fn check_ast_crate<T: EarlyLintPass>(
                 krate,
                 EarlyLintPassObjects { lints: &mut passes[..] },
                 buffered,
-                pre_expansion,
+                false,
             );
         }
     } else {
-        for pass in &mut passes {
+        for (i, pass) in passes.iter_mut().enumerate() {
             buffered =
                 sess.prof.extra_verbose_generic_activity("run_lint", pass.name()).run(|| {
                     early_lint_crate(
@@ -380,7 +380,7 @@ pub fn check_ast_crate<T: EarlyLintPass>(
                         krate,
                         EarlyLintPassObjects { lints: slice::from_mut(pass) },
                         buffered,
-                        pre_expansion,
+                        pre_expansion && i == 0,
                     )
                 });
         }

src/tools/clippy/tests/ui/deprecated.stderr

@@ -84,11 +84,5 @@ error: lint `clippy::filter_map` has been removed: this lint has been replaced b
 LL | #[warn(clippy::filter_map)]
    |        ^^^^^^^^^^^^^^^^^^
 
-error: lint `clippy::unstable_as_slice` has been removed: `Vec::as_slice` has been stabilized in 1.7
-  --> $DIR/deprecated.rs:1:8
-   |
-LL | #[warn(clippy::unstable_as_slice)]
-   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: aborting due to 15 previous errors
+error: aborting due to 14 previous errors
 

src/tools/clippy/tests/ui/deprecated_old.stderr

@@ -18,11 +18,5 @@ error: lint `misaligned_transmute` has been removed: this lint has been split in
 LL | #[warn(misaligned_transmute)]
    |        ^^^^^^^^^^^^^^^^^^^^
 
-error: lint `unstable_as_slice` has been removed: `Vec::as_slice` has been stabilized in 1.7
-  --> $DIR/deprecated_old.rs:1:8
-   |
-LL | #[warn(unstable_as_slice)]
-   |        ^^^^^^^^^^^^^^^^^
-
-error: aborting due to 4 previous errors
+error: aborting due to 3 previous errors
 

src/tools/clippy/tests/ui/rename.stderr

@@ -24,11 +24,5 @@ error: lint `clippy::const_static_lifetime` has been renamed to `clippy::redunda
 LL | #[warn(clippy::const_static_lifetime)]
    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::redundant_static_lifetimes`
 
-error: lint `clippy::cyclomatic_complexity` has been renamed to `clippy::cognitive_complexity`
-  --> $DIR/rename.rs:10:9
-   |
-LL | #![warn(clippy::cyclomatic_complexity)]
-   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::cognitive_complexity`
-
-error: aborting due to 5 previous errors
+error: aborting due to 4 previous errors
 

src/tools/clippy/tests/ui/unknown_clippy_lints.stderr

@@ -48,11 +48,5 @@ error: unknown lint: `clippy::const_static_lifetim`
 LL | #[warn(clippy::const_static_lifetim)]
    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: did you mean: `clippy::redundant_static_lifetimes`
 
-error: unknown lint: `clippy::All`
-  --> $DIR/unknown_clippy_lints.rs:5:10
-   |
-LL | #![allow(clippy::All)]
-   |          ^^^^^^^^^^^ help: did you mean: `clippy::all`
-
-error: aborting due to 9 previous errors
+error: aborting due to 8 previous errors