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| author | Fabian Wolff <fabian.wolff@alumni.ethz.ch> | 2022-01-11 21:06:18 +0100 |
|---|---|---|
| committer | Fabian Wolff <fabian.wolff@alumni.ethz.ch> | 2022-01-11 21:06:18 +0100 |
| commit | bd1f09d417c8b0e460f90bcd23b9067d55f7f7dd (patch) | |
| tree | ecf68ca184f655511c07a0dee7a3e59e8d8ddf48 /src | |
| parent | 2e2c86eba21a08cf505cd67073736d03ff3887ad (diff) | |
| download | rust-bd1f09d417c8b0e460f90bcd23b9067d55f7f7dd.tar.gz rust-bd1f09d417c8b0e460f90bcd23b9067d55f7f7dd.zip | |
Annotate dead code lint with notes about ignored derived impls
Diffstat (limited to 'src')
| -rw-r--r-- | src/test/ui/derive-uninhabited-enum-38885.stderr | 5 | ||||
| -rw-r--r-- | src/test/ui/derives/clone-debug-dead-code.stderr | 18 | ||||
| -rw-r--r-- | src/test/ui/lint/dead-code/unused-variant.stderr | 5 |
3 files changed, 28 insertions, 0 deletions
diff --git a/src/test/ui/derive-uninhabited-enum-38885.stderr b/src/test/ui/derive-uninhabited-enum-38885.stderr index 72607629d3c..feaadd201b3 100644 --- a/src/test/ui/derive-uninhabited-enum-38885.stderr +++ b/src/test/ui/derive-uninhabited-enum-38885.stderr @@ -5,6 +5,11 @@ LL | Void(Void), | ^^^^^^^^^^ | = note: `-W dead-code` implied by `-W unused` +note: `Foo` has a derived impl for the trait `Debug`, but this is ignored during dead code analysis + --> $DIR/derive-uninhabited-enum-38885.rs:11:6 + | +LL | enum Foo { + | ^^^ warning: 1 warning emitted diff --git a/src/test/ui/derives/clone-debug-dead-code.stderr b/src/test/ui/derives/clone-debug-dead-code.stderr index 226007f3647..d7cab0815b8 100644 --- a/src/test/ui/derives/clone-debug-dead-code.stderr +++ b/src/test/ui/derives/clone-debug-dead-code.stderr @@ -15,18 +15,36 @@ error: field is never read: `f` | LL | struct B { f: () } | ^^^^^ + | +note: `B` has a derived impl for the trait `Clone`, but this is ignored during dead code analysis + --> $DIR/clone-debug-dead-code.rs:10:8 + | +LL | struct B { f: () } + | ^ error: field is never read: `f` --> $DIR/clone-debug-dead-code.rs:14:12 | LL | struct C { f: () } | ^^^^^ + | +note: `C` has a derived impl for the trait `Debug`, but this is ignored during dead code analysis + --> $DIR/clone-debug-dead-code.rs:14:8 + | +LL | struct C { f: () } + | ^ error: field is never read: `f` --> $DIR/clone-debug-dead-code.rs:18:12 | LL | struct D { f: () } | ^^^^^ + | +note: `D` has derived impls for the traits `Clone` and `Debug`, but these are ignored during dead code analysis + --> $DIR/clone-debug-dead-code.rs:18:8 + | +LL | struct D { f: () } + | ^ error: field is never read: `f` --> $DIR/clone-debug-dead-code.rs:21:12 diff --git a/src/test/ui/lint/dead-code/unused-variant.stderr b/src/test/ui/lint/dead-code/unused-variant.stderr index a547f5af4b0..abac1f29ce2 100644 --- a/src/test/ui/lint/dead-code/unused-variant.stderr +++ b/src/test/ui/lint/dead-code/unused-variant.stderr @@ -9,6 +9,11 @@ note: the lint level is defined here | LL | #![deny(dead_code)] | ^^^^^^^^^ +note: `Enum` has a derived impl for the trait `Clone`, but this is ignored during dead code analysis + --> $DIR/unused-variant.rs:4:6 + | +LL | enum Enum { + | ^^^^ error: aborting due to previous error |