diff options
Diffstat (limited to 'tests')
21 files changed, 239 insertions, 50 deletions
diff --git a/tests/ui/coherence/coherence-overlap-downstream-inherent.stderr b/tests/ui/coherence/coherence-overlap-downstream-inherent.next.stderr index bbce4b530b4..2938bc629b2 100644 --- a/tests/ui/coherence/coherence-overlap-downstream-inherent.stderr +++ b/tests/ui/coherence/coherence-overlap-downstream-inherent.next.stderr @@ -1,5 +1,5 @@ error[E0592]: duplicate definitions with name `dummy` - --> $DIR/coherence-overlap-downstream-inherent.rs:7:26 + --> $DIR/coherence-overlap-downstream-inherent.rs:10:26 | LL | impl<T:Sugar> Sweet<T> { fn dummy(&self) { } } | ^^^^^^^^^^^^^^^ duplicate definitions for `dummy` @@ -8,7 +8,7 @@ LL | impl<T:Fruit> Sweet<T> { fn dummy(&self) { } } | --------------- other definition for `dummy` error[E0592]: duplicate definitions with name `f` - --> $DIR/coherence-overlap-downstream-inherent.rs:13:38 + --> $DIR/coherence-overlap-downstream-inherent.rs:16:38 | LL | impl<X, T> A<T, X> where T: Bar<X> { fn f(&self) {} } | ^^^^^^^^^^^ duplicate definitions for `f` diff --git a/tests/ui/coherence/coherence-overlap-downstream-inherent.old.stderr b/tests/ui/coherence/coherence-overlap-downstream-inherent.old.stderr new file mode 100644 index 00000000000..2938bc629b2 --- /dev/null +++ b/tests/ui/coherence/coherence-overlap-downstream-inherent.old.stderr @@ -0,0 +1,23 @@ +error[E0592]: duplicate definitions with name `dummy` + --> $DIR/coherence-overlap-downstream-inherent.rs:10:26 + | +LL | impl<T:Sugar> Sweet<T> { fn dummy(&self) { } } + | ^^^^^^^^^^^^^^^ duplicate definitions for `dummy` +LL | +LL | impl<T:Fruit> Sweet<T> { fn dummy(&self) { } } + | --------------- other definition for `dummy` + +error[E0592]: duplicate definitions with name `f` + --> $DIR/coherence-overlap-downstream-inherent.rs:16:38 + | +LL | impl<X, T> A<T, X> where T: Bar<X> { fn f(&self) {} } + | ^^^^^^^^^^^ duplicate definitions for `f` +LL | +LL | impl<X> A<i32, X> { fn f(&self) {} } + | ----------- other definition for `f` + | + = note: downstream crates may implement trait `Bar<_>` for type `i32` + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0592`. diff --git a/tests/ui/coherence/coherence-overlap-downstream-inherent.rs b/tests/ui/coherence/coherence-overlap-downstream-inherent.rs index 5dea33e330b..2c3ef4fd3f7 100644 --- a/tests/ui/coherence/coherence-overlap-downstream-inherent.rs +++ b/tests/ui/coherence/coherence-overlap-downstream-inherent.rs @@ -1,3 +1,6 @@ +// revisions: old next +//[next] compile-flags: -Ztrait-solver=next + // Tests that we consider `T: Sugar + Fruit` to be ambiguous, even // though no impls are found. diff --git a/tests/ui/coherence/coherence-overlap-downstream.stderr b/tests/ui/coherence/coherence-overlap-downstream.next.stderr index 7f373e595a3..9d62efbc315 100644 --- a/tests/ui/coherence/coherence-overlap-downstream.stderr +++ b/tests/ui/coherence/coherence-overlap-downstream.next.stderr @@ -1,5 +1,5 @@ error[E0119]: conflicting implementations of trait `Sweet` - --> $DIR/coherence-overlap-downstream.rs:8:1 + --> $DIR/coherence-overlap-downstream.rs:11:1 | LL | impl<T:Sugar> Sweet for T { } | ------------------------- first implementation here @@ -7,7 +7,7 @@ LL | impl<T:Fruit> Sweet for T { } | ^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation error[E0119]: conflicting implementations of trait `Foo<_>` for type `i32` - --> $DIR/coherence-overlap-downstream.rs:14:1 + --> $DIR/coherence-overlap-downstream.rs:17:1 | LL | impl<X, T> Foo<X> for T where T: Bar<X> {} | ----------------------- first implementation here diff --git a/tests/ui/coherence/coherence-overlap-downstream.old.stderr b/tests/ui/coherence/coherence-overlap-downstream.old.stderr new file mode 100644 index 00000000000..9d62efbc315 --- /dev/null +++ b/tests/ui/coherence/coherence-overlap-downstream.old.stderr @@ -0,0 +1,21 @@ +error[E0119]: conflicting implementations of trait `Sweet` + --> $DIR/coherence-overlap-downstream.rs:11:1 + | +LL | impl<T:Sugar> Sweet for T { } + | ------------------------- first implementation here +LL | impl<T:Fruit> Sweet for T { } + | ^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation + +error[E0119]: conflicting implementations of trait `Foo<_>` for type `i32` + --> $DIR/coherence-overlap-downstream.rs:17:1 + | +LL | impl<X, T> Foo<X> for T where T: Bar<X> {} + | ----------------------- first implementation here +LL | impl<X> Foo<X> for i32 {} + | ^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `i32` + | + = note: downstream crates may implement trait `Bar<_>` for type `i32` + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0119`. diff --git a/tests/ui/coherence/coherence-overlap-downstream.rs b/tests/ui/coherence/coherence-overlap-downstream.rs index 738ec0e3d45..a4e559604a0 100644 --- a/tests/ui/coherence/coherence-overlap-downstream.rs +++ b/tests/ui/coherence/coherence-overlap-downstream.rs @@ -1,3 +1,6 @@ +// revisions: old next +//[next] compile-flags: -Ztrait-solver=next + // Tests that we consider `T: Sugar + Fruit` to be ambiguous, even // though no impls are found. diff --git a/tests/ui/coherence/coherence-overlap-issue-23516-inherent.stderr b/tests/ui/coherence/coherence-overlap-issue-23516-inherent.next.stderr index 3ad818cbc36..c02a679c149 100644 --- a/tests/ui/coherence/coherence-overlap-issue-23516-inherent.stderr +++ b/tests/ui/coherence/coherence-overlap-issue-23516-inherent.next.stderr @@ -1,5 +1,5 @@ error[E0592]: duplicate definitions with name `dummy` - --> $DIR/coherence-overlap-issue-23516-inherent.rs:9:25 + --> $DIR/coherence-overlap-issue-23516-inherent.rs:12:25 | LL | impl<T:Sugar> Cake<T> { fn dummy(&self) { } } | ^^^^^^^^^^^^^^^ duplicate definitions for `dummy` diff --git a/tests/ui/coherence/coherence-overlap-issue-23516-inherent.old.stderr b/tests/ui/coherence/coherence-overlap-issue-23516-inherent.old.stderr new file mode 100644 index 00000000000..c02a679c149 --- /dev/null +++ b/tests/ui/coherence/coherence-overlap-issue-23516-inherent.old.stderr @@ -0,0 +1,14 @@ +error[E0592]: duplicate definitions with name `dummy` + --> $DIR/coherence-overlap-issue-23516-inherent.rs:12:25 + | +LL | impl<T:Sugar> Cake<T> { fn dummy(&self) { } } + | ^^^^^^^^^^^^^^^ duplicate definitions for `dummy` +LL | +LL | impl<U:Sugar> Cake<Box<U>> { fn dummy(&self) { } } + | --------------- other definition for `dummy` + | + = note: downstream crates may implement trait `Sugar` for type `std::boxed::Box<_>` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0592`. diff --git a/tests/ui/coherence/coherence-overlap-issue-23516-inherent.rs b/tests/ui/coherence/coherence-overlap-issue-23516-inherent.rs index a272e620fca..a7c90a6b8c8 100644 --- a/tests/ui/coherence/coherence-overlap-issue-23516-inherent.rs +++ b/tests/ui/coherence/coherence-overlap-issue-23516-inherent.rs @@ -1,3 +1,6 @@ +// revisions: old next +//[next] compile-flags: -Ztrait-solver=next + // Tests that we consider `Box<U>: !Sugar` to be ambiguous, even // though we see no impl of `Sugar` for `Box`. Therefore, an overlap // error is reported for the following pair of impls (#23516). diff --git a/tests/ui/coherence/coherence-overlap-issue-23516.stderr b/tests/ui/coherence/coherence-overlap-issue-23516.next.stderr index cd398426704..a4e87af8ac4 100644 --- a/tests/ui/coherence/coherence-overlap-issue-23516.stderr +++ b/tests/ui/coherence/coherence-overlap-issue-23516.next.stderr @@ -1,5 +1,5 @@ error[E0119]: conflicting implementations of trait `Sweet` for type `Box<_>` - --> $DIR/coherence-overlap-issue-23516.rs:8:1 + --> $DIR/coherence-overlap-issue-23516.rs:11:1 | LL | impl<T:Sugar> Sweet for T { } | ------------------------- first implementation here diff --git a/tests/ui/coherence/coherence-overlap-issue-23516.old.stderr b/tests/ui/coherence/coherence-overlap-issue-23516.old.stderr new file mode 100644 index 00000000000..a4e87af8ac4 --- /dev/null +++ b/tests/ui/coherence/coherence-overlap-issue-23516.old.stderr @@ -0,0 +1,13 @@ +error[E0119]: conflicting implementations of trait `Sweet` for type `Box<_>` + --> $DIR/coherence-overlap-issue-23516.rs:11:1 + | +LL | impl<T:Sugar> Sweet for T { } + | ------------------------- first implementation here +LL | impl<U:Sugar> Sweet for Box<U> { } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Box<_>` + | + = note: downstream crates may implement trait `Sugar` for type `std::boxed::Box<_>` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0119`. diff --git a/tests/ui/coherence/coherence-overlap-issue-23516.rs b/tests/ui/coherence/coherence-overlap-issue-23516.rs index 63e42e8f412..c846d39716b 100644 --- a/tests/ui/coherence/coherence-overlap-issue-23516.rs +++ b/tests/ui/coherence/coherence-overlap-issue-23516.rs @@ -1,3 +1,6 @@ +// revisions: old next +//[next] compile-flags: -Ztrait-solver=next + // Tests that we consider `Box<U>: !Sugar` to be ambiguous, even // though we see no impl of `Sugar` for `Box`. Therefore, an overlap // error is reported for the following pair of impls (#23516). diff --git a/tests/ui/coherence/inter-crate-ambiguity-causes-notes.stderr b/tests/ui/coherence/inter-crate-ambiguity-causes-notes.next.stderr index 4ddd712b27c..0dd28706e07 100644 --- a/tests/ui/coherence/inter-crate-ambiguity-causes-notes.stderr +++ b/tests/ui/coherence/inter-crate-ambiguity-causes-notes.next.stderr @@ -1,5 +1,5 @@ error[E0119]: conflicting implementations of trait `From<()>` for type `S` - --> $DIR/inter-crate-ambiguity-causes-notes.rs:9:1 + --> $DIR/inter-crate-ambiguity-causes-notes.rs:12:1 | LL | impl From<()> for S { | ------------------- first implementation here diff --git a/tests/ui/coherence/inter-crate-ambiguity-causes-notes.old.stderr b/tests/ui/coherence/inter-crate-ambiguity-causes-notes.old.stderr new file mode 100644 index 00000000000..0dd28706e07 --- /dev/null +++ b/tests/ui/coherence/inter-crate-ambiguity-causes-notes.old.stderr @@ -0,0 +1,14 @@ +error[E0119]: conflicting implementations of trait `From<()>` for type `S` + --> $DIR/inter-crate-ambiguity-causes-notes.rs:12:1 + | +LL | impl From<()> for S { + | ------------------- first implementation here +... +LL | impl<I> From<I> for S + | ^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `S` + | + = note: upstream crates may add a new impl of trait `std::iter::Iterator` for type `()` in future versions + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0119`. diff --git a/tests/ui/coherence/inter-crate-ambiguity-causes-notes.rs b/tests/ui/coherence/inter-crate-ambiguity-causes-notes.rs index 5b11c78ab26..743e80d3f18 100644 --- a/tests/ui/coherence/inter-crate-ambiguity-causes-notes.rs +++ b/tests/ui/coherence/inter-crate-ambiguity-causes-notes.rs @@ -1,3 +1,6 @@ +// revisions: old next +//[next] compile-flags: -Ztrait-solver=next + struct S; impl From<()> for S { diff --git a/tests/ui/impl-trait/coherence-treats-tait-ambig.rs b/tests/ui/impl-trait/coherence-treats-tait-ambig.rs index 156a7eb0e23..df47208bf36 100644 --- a/tests/ui/impl-trait/coherence-treats-tait-ambig.rs +++ b/tests/ui/impl-trait/coherence-treats-tait-ambig.rs @@ -1,6 +1,3 @@ -// revisions: current next -//[next] compile-flags: -Ztrait-solver=next - #![feature(type_alias_impl_trait)] type T = impl Sized; diff --git a/tests/ui/impl-trait/coherence-treats-tait-ambig.next.stderr b/tests/ui/impl-trait/coherence-treats-tait-ambig.stderr index 61fed16294b..7c69c4bfe97 100644 --- a/tests/ui/impl-trait/coherence-treats-tait-ambig.next.stderr +++ b/tests/ui/impl-trait/coherence-treats-tait-ambig.stderr @@ -1,5 +1,5 @@ error[E0119]: conflicting implementations of trait `Into<T>` for type `Foo` - --> $DIR/coherence-treats-tait-ambig.rs:10:1 + --> $DIR/coherence-treats-tait-ambig.rs:7:1 | LL | impl Into<T> for Foo { | ^^^^^^^^^^^^^^^^^^^^ diff --git a/tests/ui/lint/invalid_from_utf8.rs b/tests/ui/lint/invalid_from_utf8.rs index 9c8c636812e..43ceffb71e5 100644 --- a/tests/ui/lint/invalid_from_utf8.rs +++ b/tests/ui/lint/invalid_from_utf8.rs @@ -1,6 +1,8 @@ // check-pass +#![feature(inline_const)] #![feature(concat_bytes)] + #![warn(invalid_from_utf8_unchecked)] #![warn(invalid_from_utf8)] @@ -90,4 +92,29 @@ pub fn from_utf8() { } } +pub fn from_utf8_with_indirections() { + let mut a = [99, 108, 130, 105, 112, 112, 121]; + std::str::from_utf8_mut(&mut a); + //~^ WARN calls to `std::str::from_utf8_mut` + let mut b = &mut a; + let mut c = b; + std::str::from_utf8_mut(c); + //~^ WARN calls to `std::str::from_utf8_mut` + let mut c = &[99, 108, 130, 105, 112, 112, 121]; + std::str::from_utf8(c); + //~^ WARN calls to `std::str::from_utf8` + const INVALID_1: [u8; 7] = [99, 108, 130, 105, 112, 112, 121]; + std::str::from_utf8(&INVALID_1); + //~^ WARN calls to `std::str::from_utf8` + static INVALID_2: [u8; 7] = [99, 108, 130, 105, 112, 112, 121]; + std::str::from_utf8(&INVALID_2); + //~^ WARN calls to `std::str::from_utf8` + const INVALID_3: &'static [u8; 7] = &[99, 108, 130, 105, 112, 112, 121]; + std::str::from_utf8(INVALID_3); + //~^ WARN calls to `std::str::from_utf8` + const INVALID_4: &'static [u8; 7] = { &[99, 108, 130, 105, 112, 112, 121] }; + std::str::from_utf8(INVALID_4); + //~^ WARN calls to `std::str::from_utf8` +} + fn main() {} diff --git a/tests/ui/lint/invalid_from_utf8.stderr b/tests/ui/lint/invalid_from_utf8.stderr index 8e00d3bf872..884165d4f12 100644 --- a/tests/ui/lint/invalid_from_utf8.stderr +++ b/tests/ui/lint/invalid_from_utf8.stderr @@ -1,43 +1,43 @@ warning: calls to `std::str::from_utf8_unchecked_mut` with a invalid literal are undefined behavior - --> $DIR/invalid_from_utf8.rs:19:9 + --> $DIR/invalid_from_utf8.rs:21:9 | LL | std::str::from_utf8_unchecked_mut(&mut [99, 108, 130, 105, 112, 112, 121]); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---------------------------------------^ - | | - | the literal was valid UTF-8 up to the 2 bytes + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^----------------------------------^ + | | + | the literal was valid UTF-8 up to the 2 bytes | note: the lint level is defined here - --> $DIR/invalid_from_utf8.rs:4:9 + --> $DIR/invalid_from_utf8.rs:6:9 | LL | #![warn(invalid_from_utf8_unchecked)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: calls to `std::str::from_utf8_unchecked_mut` with a invalid literal are undefined behavior - --> $DIR/invalid_from_utf8.rs:21:9 + --> $DIR/invalid_from_utf8.rs:23:9 | LL | std::str::from_utf8_unchecked_mut(&mut [b'c', b'l', b'\x82', b'i', b'p', b'p', b'y']); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--------------------------------------------------^ - | | - | the literal was valid UTF-8 up to the 2 bytes + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---------------------------------------------^ + | | + | the literal was valid UTF-8 up to the 2 bytes warning: calls to `std::str::from_utf8_unchecked` with a invalid literal are undefined behavior - --> $DIR/invalid_from_utf8.rs:39:9 + --> $DIR/invalid_from_utf8.rs:41:9 | LL | std::str::from_utf8_unchecked(&[99, 108, 130, 105, 112, 112, 121]); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-----------------------------------^ - | | - | the literal was valid UTF-8 up to the 2 bytes + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^----------------------------------^ + | | + | the literal was valid UTF-8 up to the 2 bytes warning: calls to `std::str::from_utf8_unchecked` with a invalid literal are undefined behavior - --> $DIR/invalid_from_utf8.rs:41:9 + --> $DIR/invalid_from_utf8.rs:43:9 | LL | std::str::from_utf8_unchecked(&[b'c', b'l', b'\x82', b'i', b'p', b'p', b'y']); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^----------------------------------------------^ - | | - | the literal was valid UTF-8 up to the 2 bytes + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---------------------------------------------^ + | | + | the literal was valid UTF-8 up to the 2 bytes warning: calls to `std::str::from_utf8_unchecked` with a invalid literal are undefined behavior - --> $DIR/invalid_from_utf8.rs:43:9 + --> $DIR/invalid_from_utf8.rs:45:9 | LL | std::str::from_utf8_unchecked(b"cl\x82ippy"); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-------------^ @@ -45,7 +45,7 @@ LL | std::str::from_utf8_unchecked(b"cl\x82ippy"); | the literal was valid UTF-8 up to the 2 bytes warning: calls to `std::str::from_utf8_unchecked` with a invalid literal are undefined behavior - --> $DIR/invalid_from_utf8.rs:45:9 + --> $DIR/invalid_from_utf8.rs:47:9 | LL | std::str::from_utf8_unchecked(concat_bytes!(b"cl", b"\x82ippy")); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---------------------------------^ @@ -53,45 +53,45 @@ LL | std::str::from_utf8_unchecked(concat_bytes!(b"cl", b"\x82ippy")); | the literal was valid UTF-8 up to the 2 bytes warning: calls to `std::str::from_utf8_mut` with a invalid literal always return an error - --> $DIR/invalid_from_utf8.rs:62:9 + --> $DIR/invalid_from_utf8.rs:64:9 | LL | std::str::from_utf8_mut(&mut [99, 108, 130, 105, 112, 112, 121]); - | ^^^^^^^^^^^^^^^^^^^^^^^^---------------------------------------^ - | | - | the literal was valid UTF-8 up to the 2 bytes + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^----------------------------------^ + | | + | the literal was valid UTF-8 up to the 2 bytes | note: the lint level is defined here - --> $DIR/invalid_from_utf8.rs:5:9 + --> $DIR/invalid_from_utf8.rs:7:9 | LL | #![warn(invalid_from_utf8)] | ^^^^^^^^^^^^^^^^^ warning: calls to `std::str::from_utf8_mut` with a invalid literal always return an error - --> $DIR/invalid_from_utf8.rs:64:9 + --> $DIR/invalid_from_utf8.rs:66:9 | LL | std::str::from_utf8_mut(&mut [b'c', b'l', b'\x82', b'i', b'p', b'p', b'y']); - | ^^^^^^^^^^^^^^^^^^^^^^^^--------------------------------------------------^ - | | - | the literal was valid UTF-8 up to the 2 bytes + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---------------------------------------------^ + | | + | the literal was valid UTF-8 up to the 2 bytes warning: calls to `std::str::from_utf8` with a invalid literal always return an error - --> $DIR/invalid_from_utf8.rs:82:9 + --> $DIR/invalid_from_utf8.rs:84:9 | LL | std::str::from_utf8(&[99, 108, 130, 105, 112, 112, 121]); - | ^^^^^^^^^^^^^^^^^^^^-----------------------------------^ - | | - | the literal was valid UTF-8 up to the 2 bytes + | ^^^^^^^^^^^^^^^^^^^^^----------------------------------^ + | | + | the literal was valid UTF-8 up to the 2 bytes warning: calls to `std::str::from_utf8` with a invalid literal always return an error - --> $DIR/invalid_from_utf8.rs:84:9 + --> $DIR/invalid_from_utf8.rs:86:9 | LL | std::str::from_utf8(&[b'c', b'l', b'\x82', b'i', b'p', b'p', b'y']); - | ^^^^^^^^^^^^^^^^^^^^----------------------------------------------^ - | | - | the literal was valid UTF-8 up to the 2 bytes + | ^^^^^^^^^^^^^^^^^^^^^---------------------------------------------^ + | | + | the literal was valid UTF-8 up to the 2 bytes warning: calls to `std::str::from_utf8` with a invalid literal always return an error - --> $DIR/invalid_from_utf8.rs:86:9 + --> $DIR/invalid_from_utf8.rs:88:9 | LL | std::str::from_utf8(b"cl\x82ippy"); | ^^^^^^^^^^^^^^^^^^^^-------------^ @@ -99,12 +99,69 @@ LL | std::str::from_utf8(b"cl\x82ippy"); | the literal was valid UTF-8 up to the 2 bytes warning: calls to `std::str::from_utf8` with a invalid literal always return an error - --> $DIR/invalid_from_utf8.rs:88:9 + --> $DIR/invalid_from_utf8.rs:90:9 | LL | std::str::from_utf8(concat_bytes!(b"cl", b"\x82ippy")); | ^^^^^^^^^^^^^^^^^^^^---------------------------------^ | | | the literal was valid UTF-8 up to the 2 bytes -warning: 12 warnings emitted +warning: calls to `std::str::from_utf8_mut` with a invalid literal always return an error + --> $DIR/invalid_from_utf8.rs:97:5 + | +LL | let mut a = [99, 108, 130, 105, 112, 112, 121]; + | ---------------------------------- the literal was valid UTF-8 up to the 2 bytes +LL | std::str::from_utf8_mut(&mut a); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +warning: calls to `std::str::from_utf8_mut` with a invalid literal always return an error + --> $DIR/invalid_from_utf8.rs:101:5 + | +LL | let mut a = [99, 108, 130, 105, 112, 112, 121]; + | ---------------------------------- the literal was valid UTF-8 up to the 2 bytes +... +LL | std::str::from_utf8_mut(c); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ + +warning: calls to `std::str::from_utf8` with a invalid literal always return an error + --> $DIR/invalid_from_utf8.rs:104:5 + | +LL | let mut c = &[99, 108, 130, 105, 112, 112, 121]; + | ---------------------------------- the literal was valid UTF-8 up to the 2 bytes +LL | std::str::from_utf8(c); + | ^^^^^^^^^^^^^^^^^^^^^^ + +warning: calls to `std::str::from_utf8` with a invalid literal always return an error + --> $DIR/invalid_from_utf8.rs:107:5 + | +LL | const INVALID_1: [u8; 7] = [99, 108, 130, 105, 112, 112, 121]; + | ---------------------------------- the literal was valid UTF-8 up to the 2 bytes +LL | std::str::from_utf8(&INVALID_1); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +warning: calls to `std::str::from_utf8` with a invalid literal always return an error + --> $DIR/invalid_from_utf8.rs:110:5 + | +LL | static INVALID_2: [u8; 7] = [99, 108, 130, 105, 112, 112, 121]; + | ---------------------------------- the literal was valid UTF-8 up to the 2 bytes +LL | std::str::from_utf8(&INVALID_2); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +warning: calls to `std::str::from_utf8` with a invalid literal always return an error + --> $DIR/invalid_from_utf8.rs:113:5 + | +LL | const INVALID_3: &'static [u8; 7] = &[99, 108, 130, 105, 112, 112, 121]; + | ---------------------------------- the literal was valid UTF-8 up to the 2 bytes +LL | std::str::from_utf8(INVALID_3); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +warning: calls to `std::str::from_utf8` with a invalid literal always return an error + --> $DIR/invalid_from_utf8.rs:116:5 + | +LL | const INVALID_4: &'static [u8; 7] = { &[99, 108, 130, 105, 112, 112, 121] }; + | ---------------------------------- the literal was valid UTF-8 up to the 2 bytes +LL | std::str::from_utf8(INVALID_4); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +warning: 19 warnings emitted diff --git a/tests/ui/traits/new-solver/alias_eq_substs_eq_not_intercrate.stderr b/tests/ui/traits/new-solver/alias_eq_substs_eq_not_intercrate.stderr index 8eda64e4490..46677a58316 100644 --- a/tests/ui/traits/new-solver/alias_eq_substs_eq_not_intercrate.stderr +++ b/tests/ui/traits/new-solver/alias_eq_substs_eq_not_intercrate.stderr @@ -5,6 +5,8 @@ LL | impl<T: TraitB> Overlaps<Box<T>> for <T as TraitB>::Assoc {} | --------------------------------------------------------- first implementation here LL | impl<U: TraitB> Overlaps<U> for <U as TraitB>::Assoc {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `<_ as TraitB>::Assoc` + | + = note: downstream crates may implement trait `TraitB` for type `std::boxed::Box<_>` error: aborting due to previous error diff --git a/tests/ui/traits/new-solver/coherence/trait_ref_is_knowable-norm-overflow.stderr b/tests/ui/traits/new-solver/coherence/trait_ref_is_knowable-norm-overflow.stderr index 5d5f325e4b4..73d46c4df96 100644 --- a/tests/ui/traits/new-solver/coherence/trait_ref_is_knowable-norm-overflow.stderr +++ b/tests/ui/traits/new-solver/coherence/trait_ref_is_knowable-norm-overflow.stderr @@ -1,3 +1,7 @@ +WARN rustc_trait_selection::traits::coherence expected an unknowable trait ref: <<LocalTy as Overflow>::Assoc as std::marker::Sized> +WARN rustc_trait_selection::traits::coherence expected an unknowable trait ref: <<LocalTy as Overflow>::Assoc as std::marker::Sized> +WARN rustc_trait_selection::traits::coherence expected an unknowable trait ref: <<LocalTy as Overflow>::Assoc as std::marker::Sized> +WARN rustc_trait_selection::traits::coherence expected an unknowable trait ref: <<LocalTy as Overflow>::Assoc as std::marker::Sized> error[E0119]: conflicting implementations of trait `Trait` for type `<LocalTy as Overflow>::Assoc` --> $DIR/trait_ref_is_knowable-norm-overflow.rs:17:1 | @@ -6,6 +10,8 @@ LL | impl<T: Copy> Trait for T {} LL | struct LocalTy; LL | impl Trait for <LocalTy as Overflow>::Assoc {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `<LocalTy as Overflow>::Assoc` + | + = note: upstream crates may add a new impl of trait `std::marker::Copy` for type `<LocalTy as Overflow>::Assoc` in future versions error: aborting due to previous error |