diff options
Diffstat (limited to 'tests')
22 files changed, 133 insertions, 16 deletions
diff --git a/tests/incremental/track-deps-in-new-solver.rs b/tests/incremental/track-deps-in-new-solver.rs index fb013b2b24a..51cd6b89e37 100644 --- a/tests/incremental/track-deps-in-new-solver.rs +++ b/tests/incremental/track-deps-in-new-solver.rs @@ -3,6 +3,8 @@ //@ compile-flags: -Znext-solver //@ check-pass +#![allow(dead_code)] + pub trait Future { type Error; fn poll() -> Self::Error; diff --git a/tests/ui/const-generics/issues/issue-86535-2.rs b/tests/ui/const-generics/issues/issue-86535-2.rs index 8d064f3eeb1..5c9132fe54d 100644 --- a/tests/ui/const-generics/issues/issue-86535-2.rs +++ b/tests/ui/const-generics/issues/issue-86535-2.rs @@ -9,7 +9,7 @@ pub trait Foo { [(); Self::ASSOC_C]:; } -struct Bar<const N: &'static ()>; +struct Bar<const N: &'static ()>; //~ WARN struct `Bar` is never constructed impl<const N: &'static ()> Foo for Bar<N> { const ASSOC_C: usize = 3; diff --git a/tests/ui/const-generics/issues/issue-86535-2.stderr b/tests/ui/const-generics/issues/issue-86535-2.stderr new file mode 100644 index 00000000000..0ba74836575 --- /dev/null +++ b/tests/ui/const-generics/issues/issue-86535-2.stderr @@ -0,0 +1,10 @@ +warning: struct `Bar` is never constructed + --> $DIR/issue-86535-2.rs:12:8 + | +LL | struct Bar<const N: &'static ()>; + | ^^^ + | + = note: `#[warn(dead_code)]` on by default + +warning: 1 warning emitted + diff --git a/tests/ui/const-generics/issues/issue-86535.rs b/tests/ui/const-generics/issues/issue-86535.rs index 62454f4a388..2cdf801c156 100644 --- a/tests/ui/const-generics/issues/issue-86535.rs +++ b/tests/ui/const-generics/issues/issue-86535.rs @@ -2,7 +2,7 @@ #![feature(adt_const_params, unsized_const_params, generic_const_exprs)] #![allow(incomplete_features, unused_variables)] -struct F<const S: &'static str>; +struct F<const S: &'static str>; //~ WARN struct `F` is never constructed impl<const S: &'static str> X for F<{ S }> { const W: usize = 3; diff --git a/tests/ui/const-generics/issues/issue-86535.stderr b/tests/ui/const-generics/issues/issue-86535.stderr new file mode 100644 index 00000000000..84d6c1c11ff --- /dev/null +++ b/tests/ui/const-generics/issues/issue-86535.stderr @@ -0,0 +1,10 @@ +warning: struct `F` is never constructed + --> $DIR/issue-86535.rs:5:8 + | +LL | struct F<const S: &'static str>; + | ^ + | + = note: `#[warn(dead_code)]` on by default + +warning: 1 warning emitted + diff --git a/tests/ui/derives/clone-debug-dead-code.stderr b/tests/ui/derives/clone-debug-dead-code.stderr index 34b7f929ec5..38be486e332 100644 --- a/tests/ui/derives/clone-debug-dead-code.stderr +++ b/tests/ui/derives/clone-debug-dead-code.stderr @@ -40,7 +40,7 @@ LL | struct D { f: () } | | | field in this struct | - = note: `D` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis + = note: `D` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis error: field `f` is never read --> $DIR/clone-debug-dead-code.rs:21:12 diff --git a/tests/ui/impl-trait/extra-impl-in-trait-impl.fixed b/tests/ui/impl-trait/extra-impl-in-trait-impl.fixed index 886fc1d0058..d8eceeff678 100644 --- a/tests/ui/impl-trait/extra-impl-in-trait-impl.fixed +++ b/tests/ui/impl-trait/extra-impl-in-trait-impl.fixed @@ -1,5 +1,6 @@ //@ run-rustfix +#![allow(dead_code)] struct S<T>(T); struct S2; diff --git a/tests/ui/impl-trait/extra-impl-in-trait-impl.rs b/tests/ui/impl-trait/extra-impl-in-trait-impl.rs index f3271993867..c2e511c0d05 100644 --- a/tests/ui/impl-trait/extra-impl-in-trait-impl.rs +++ b/tests/ui/impl-trait/extra-impl-in-trait-impl.rs @@ -1,5 +1,6 @@ //@ run-rustfix +#![allow(dead_code)] struct S<T>(T); struct S2; diff --git a/tests/ui/impl-trait/extra-impl-in-trait-impl.stderr b/tests/ui/impl-trait/extra-impl-in-trait-impl.stderr index 5aafc8b64d4..22e68463a8c 100644 --- a/tests/ui/impl-trait/extra-impl-in-trait-impl.stderr +++ b/tests/ui/impl-trait/extra-impl-in-trait-impl.stderr @@ -1,23 +1,23 @@ error: unexpected `impl` keyword - --> $DIR/extra-impl-in-trait-impl.rs:6:18 + --> $DIR/extra-impl-in-trait-impl.rs:7:18 | LL | impl<T: Default> impl Default for S<T> { | ^^^^^ help: remove the extra `impl` | note: this is parsed as an `impl Trait` type, but a trait is expected at this position - --> $DIR/extra-impl-in-trait-impl.rs:6:18 + --> $DIR/extra-impl-in-trait-impl.rs:7:18 | LL | impl<T: Default> impl Default for S<T> { | ^^^^^^^^^^^^ error: unexpected `impl` keyword - --> $DIR/extra-impl-in-trait-impl.rs:12:6 + --> $DIR/extra-impl-in-trait-impl.rs:13:6 | LL | impl impl Default for S2 { | ^^^^^ help: remove the extra `impl` | note: this is parsed as an `impl Trait` type, but a trait is expected at this position - --> $DIR/extra-impl-in-trait-impl.rs:12:6 + --> $DIR/extra-impl-in-trait-impl.rs:13:6 | LL | impl impl Default for S2 { | ^^^^^^^^^^^^ diff --git a/tests/ui/lint/dead-code/issue-41883.stderr b/tests/ui/lint/dead-code/issue-41883.stderr index cf079e4dda3..47ccef9a530 100644 --- a/tests/ui/lint/dead-code/issue-41883.stderr +++ b/tests/ui/lint/dead-code/issue-41883.stderr @@ -29,8 +29,6 @@ error: struct `UnusedStruct` is never constructed | LL | struct UnusedStruct; | ^^^^^^^^^^^^ - | - = note: `UnusedStruct` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis error: aborting due to 4 previous errors diff --git a/tests/ui/lint/dead-code/issue-59003.rs b/tests/ui/lint/dead-code/issue-59003.rs index e3dcaca5778..319cf2db149 100644 --- a/tests/ui/lint/dead-code/issue-59003.rs +++ b/tests/ui/lint/dead-code/issue-59003.rs @@ -4,8 +4,8 @@ #![deny(dead_code)] +#[allow(dead_code)] struct Foo { - #[allow(dead_code)] inner: u32, } diff --git a/tests/ui/lint/dead-code/lint-unused-adt-appeared-in-pattern.rs b/tests/ui/lint/dead-code/lint-unused-adt-appeared-in-pattern.rs new file mode 100644 index 00000000000..25777438456 --- /dev/null +++ b/tests/ui/lint/dead-code/lint-unused-adt-appeared-in-pattern.rs @@ -0,0 +1,37 @@ +#![deny(dead_code)] + +struct Foo(u8); //~ ERROR struct `Foo` is never constructed + +enum Bar { //~ ERROR enum `Bar` is never used + Var1(u8), + Var2(u8), +} + +pub trait Tr1 { + fn f1() -> Self; +} + +impl Tr1 for Foo { + fn f1() -> Foo { + let f = Foo(0); + let Foo(tag) = f; + Foo(tag) + } +} + +impl Tr1 for Bar { + fn f1() -> Bar { + let b = Bar::Var1(0); + let b = if let Bar::Var1(_) = b { + Bar::Var1(0) + } else { + Bar::Var2(0) + }; + match b { + Bar::Var1(_) => Bar::Var2(0), + Bar::Var2(_) => Bar::Var1(0), + } + } +} + +fn main() {} diff --git a/tests/ui/lint/dead-code/lint-unused-adt-appeared-in-pattern.stderr b/tests/ui/lint/dead-code/lint-unused-adt-appeared-in-pattern.stderr new file mode 100644 index 00000000000..7c1a4b45977 --- /dev/null +++ b/tests/ui/lint/dead-code/lint-unused-adt-appeared-in-pattern.stderr @@ -0,0 +1,20 @@ +error: struct `Foo` is never constructed + --> $DIR/lint-unused-adt-appeared-in-pattern.rs:3:8 + | +LL | struct Foo(u8); + | ^^^ + | +note: the lint level is defined here + --> $DIR/lint-unused-adt-appeared-in-pattern.rs:1:9 + | +LL | #![deny(dead_code)] + | ^^^^^^^^^ + +error: enum `Bar` is never used + --> $DIR/lint-unused-adt-appeared-in-pattern.rs:5:6 + | +LL | enum Bar { + | ^^^ + +error: aborting due to 2 previous errors + diff --git a/tests/ui/lint/dead-code/multiple-dead-codes-in-the-same-struct.stderr b/tests/ui/lint/dead-code/multiple-dead-codes-in-the-same-struct.stderr index b992005318f..25a7d96cb89 100644 --- a/tests/ui/lint/dead-code/multiple-dead-codes-in-the-same-struct.stderr +++ b/tests/ui/lint/dead-code/multiple-dead-codes-in-the-same-struct.stderr @@ -56,8 +56,6 @@ warning: struct `Foo` is never constructed | LL | struct Foo(usize, #[allow(unused)] usize); | ^^^ - | - = note: `Foo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis error: aborting due to 2 previous errors; 2 warnings emitted diff --git a/tests/ui/lint/dead-code/not-lint-adt-appeared-in-pattern-issue-120770.rs b/tests/ui/lint/dead-code/not-lint-adt-appeared-in-pattern-issue-120770.rs new file mode 100644 index 00000000000..43a2e431904 --- /dev/null +++ b/tests/ui/lint/dead-code/not-lint-adt-appeared-in-pattern-issue-120770.rs @@ -0,0 +1,32 @@ +//@ check-pass + +#![deny(dead_code)] + +#[repr(u8)] +#[derive(Copy, Clone, Debug)] +pub enum RecordField { + Target = 1, + Level, + Module, + File, + Line, + NumArgs, +} + +unsafe trait Pod {} + +#[repr(transparent)] +struct RecordFieldWrapper(RecordField); + +unsafe impl Pod for RecordFieldWrapper {} + +fn try_read<T: Pod>(buf: &[u8]) -> T { + unsafe { std::ptr::read_unaligned(buf.as_ptr() as *const T) } +} + +pub fn foo(buf: &[u8]) -> RecordField { + let RecordFieldWrapper(tag) = try_read(buf); + tag +} + +fn main() {} diff --git a/tests/ui/lint/dead-code/unused-adt-impl-pub-trait-with-assoc-const.rs b/tests/ui/lint/dead-code/unused-adt-impl-pub-trait-with-assoc-const.rs index 5b755d62a05..415eb4138de 100644 --- a/tests/ui/lint/dead-code/unused-adt-impl-pub-trait-with-assoc-const.rs +++ b/tests/ui/lint/dead-code/unused-adt-impl-pub-trait-with-assoc-const.rs @@ -2,7 +2,7 @@ struct T1; //~ ERROR struct `T1` is never constructed pub struct T2(i32); //~ ERROR field `0` is never read -struct T3; +struct T3; //~ ERROR struct `T3` is never constructed trait Trait1 { //~ ERROR trait `Trait1` is never used const UNUSED: i32; diff --git a/tests/ui/lint/dead-code/unused-adt-impl-pub-trait-with-assoc-const.stderr b/tests/ui/lint/dead-code/unused-adt-impl-pub-trait-with-assoc-const.stderr index 2441a3f868d..778dadee153 100644 --- a/tests/ui/lint/dead-code/unused-adt-impl-pub-trait-with-assoc-const.stderr +++ b/tests/ui/lint/dead-code/unused-adt-impl-pub-trait-with-assoc-const.stderr @@ -20,11 +20,17 @@ LL | pub struct T2(i32); | = help: consider removing this field +error: struct `T3` is never constructed + --> $DIR/unused-adt-impl-pub-trait-with-assoc-const.rs:5:8 + | +LL | struct T3; + | ^^ + error: trait `Trait1` is never used --> $DIR/unused-adt-impl-pub-trait-with-assoc-const.rs:7:7 | LL | trait Trait1 { | ^^^^^^ -error: aborting due to 3 previous errors +error: aborting due to 4 previous errors diff --git a/tests/ui/lint/dead-code/unused-struct-derive-default.rs b/tests/ui/lint/dead-code/unused-struct-derive-default.rs index 330ad32dd57..f20b7cb66ee 100644 --- a/tests/ui/lint/dead-code/unused-struct-derive-default.rs +++ b/tests/ui/lint/dead-code/unused-struct-derive-default.rs @@ -22,4 +22,5 @@ pub struct T2 { fn main() { let _x: Used = Default::default(); + let _e: E = Default::default(); } diff --git a/tests/ui/lint/dead-code/unused-struct-derive-default.stderr b/tests/ui/lint/dead-code/unused-struct-derive-default.stderr index bbb0bd7be70..7422f9a39f3 100644 --- a/tests/ui/lint/dead-code/unused-struct-derive-default.stderr +++ b/tests/ui/lint/dead-code/unused-struct-derive-default.stderr @@ -4,7 +4,6 @@ error: struct `T` is never constructed LL | struct T; | ^ | - = note: `T` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis note: the lint level is defined here --> $DIR/unused-struct-derive-default.rs:1:9 | diff --git a/tests/ui/parser/issues/issue-105366.fixed b/tests/ui/parser/issues/issue-105366.fixed index 7157b647524..95419dc07f2 100644 --- a/tests/ui/parser/issues/issue-105366.fixed +++ b/tests/ui/parser/issues/issue-105366.fixed @@ -1,5 +1,6 @@ //@ run-rustfix +#[allow(dead_code)] struct Foo; impl From<i32> for Foo { diff --git a/tests/ui/parser/issues/issue-105366.rs b/tests/ui/parser/issues/issue-105366.rs index dc3cb8b343d..3278b737991 100644 --- a/tests/ui/parser/issues/issue-105366.rs +++ b/tests/ui/parser/issues/issue-105366.rs @@ -1,5 +1,6 @@ //@ run-rustfix +#[allow(dead_code)] struct Foo; fn From<i32> for Foo { diff --git a/tests/ui/parser/issues/issue-105366.stderr b/tests/ui/parser/issues/issue-105366.stderr index d8c79a0e0ea..225e436b4aa 100644 --- a/tests/ui/parser/issues/issue-105366.stderr +++ b/tests/ui/parser/issues/issue-105366.stderr @@ -1,5 +1,5 @@ error: you might have meant to write `impl` instead of `fn` - --> $DIR/issue-105366.rs:5:1 + --> $DIR/issue-105366.rs:6:1 | LL | fn From<i32> for Foo { | ^^ |