From 29d4a7d3777b1c485e173f423d2dee77df93e953 Mon Sep 17 00:00:00 2001 From: JohnTitor Date: Mon, 29 Mar 2021 17:31:12 +0900 Subject: [PATCH 1/2] Add a regression test for issue-82792 --- .../const-generics/defaults/repr-c-issue-82792.rs | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100644 src/test/ui/const-generics/defaults/repr-c-issue-82792.rs diff --git a/src/test/ui/const-generics/defaults/repr-c-issue-82792.rs b/src/test/ui/const-generics/defaults/repr-c-issue-82792.rs new file mode 100644 index 0000000000000..18ecf46729977 --- /dev/null +++ b/src/test/ui/const-generics/defaults/repr-c-issue-82792.rs @@ -0,0 +1,14 @@ +// Regression test for #82792. + +// run-pass + +#![feature(const_generics_defaults)] +#![allow(incomplete_features)] + +#[repr(C)] +pub struct Loaf { + head: [T; N], + slice: [T], +} + +fn main() {} From c9562fd2d0cac144835e552f299c3a28e0a29ba6 Mon Sep 17 00:00:00 2001 From: JohnTitor Date: Mon, 29 Mar 2021 17:32:27 +0900 Subject: [PATCH 2/2] Prefer 4 spaces --- .../defaults/complex-unord-param.rs | 18 +++---- .../defaults/default-annotation.rs | 4 +- .../ui/const-generics/defaults/mismatch.rs | 24 ++++----- .../const-generics/defaults/mismatch.stderr | 50 +++++++++---------- .../const-generics/defaults/needs-feature.rs | 2 +- .../defaults/simple-defaults.rs | 6 +-- 6 files changed, 52 insertions(+), 52 deletions(-) diff --git a/src/test/ui/const-generics/defaults/complex-unord-param.rs b/src/test/ui/const-generics/defaults/complex-unord-param.rs index 82b3627d22ff8..d24e403e017ef 100644 --- a/src/test/ui/const-generics/defaults/complex-unord-param.rs +++ b/src/test/ui/const-generics/defaults/complex-unord-param.rs @@ -6,16 +6,16 @@ #![allow(dead_code)] struct NestedArrays<'a, const N: usize, A: 'a, const M: usize, T:'a =u32> { - //[min]~^ ERROR type parameters must be declared prior to const parameters - args: &'a [&'a [T; M]; N], - specifier: A, + //[min]~^ ERROR type parameters must be declared prior to const parameters + args: &'a [&'a [T; M]; N], + specifier: A, } fn main() { - let array = [1, 2, 3]; - let nest = [&array]; - let _ = NestedArrays { - args: &nest, - specifier: true, - }; + let array = [1, 2, 3]; + let nest = [&array]; + let _ = NestedArrays { + args: &nest, + specifier: true, + }; } diff --git a/src/test/ui/const-generics/defaults/default-annotation.rs b/src/test/ui/const-generics/defaults/default-annotation.rs index e6e8d732beef3..3febb7cffbf15 100644 --- a/src/test/ui/const-generics/defaults/default-annotation.rs +++ b/src/test/ui/const-generics/defaults/default-annotation.rs @@ -13,8 +13,8 @@ pub struct ConstDefaultUnstable; #[stable(feature = "const_default_unstable", since="none")] pub struct ConstDefaultStable; fn main() {} diff --git a/src/test/ui/const-generics/defaults/mismatch.rs b/src/test/ui/const-generics/defaults/mismatch.rs index bf578468bb617..d85b756f538dc 100644 --- a/src/test/ui/const-generics/defaults/mismatch.rs +++ b/src/test/ui/const-generics/defaults/mismatch.rs @@ -8,16 +8,16 @@ pub struct Example3(T); pub struct Example4; fn main() { - let e: Example::<13> = (); - //~^ Error: mismatched types - let e: Example2:: = (); - //~^ Error: mismatched types - let e: Example3::<13, u32> = (); - //~^ Error: mismatched types - let e: Example3::<7> = (); - //~^ Error: mismatched types - // FIXME(const_generics_defaults): There should be a note for the error below, but it is - // missing. - let e: Example4::<7> = (); - //~^ Error: mismatched types + let e: Example::<13> = (); + //~^ Error: mismatched types + let e: Example2:: = (); + //~^ Error: mismatched types + let e: Example3::<13, u32> = (); + //~^ Error: mismatched types + let e: Example3::<7> = (); + //~^ Error: mismatched types + // FIXME(const_generics_defaults): There should be a note for the error below, but it is + // missing. + let e: Example4::<7> = (); + //~^ Error: mismatched types } diff --git a/src/test/ui/const-generics/defaults/mismatch.stderr b/src/test/ui/const-generics/defaults/mismatch.stderr index c66eb4cd64594..ff72c71c40f0f 100644 --- a/src/test/ui/const-generics/defaults/mismatch.stderr +++ b/src/test/ui/const-generics/defaults/mismatch.stderr @@ -1,51 +1,51 @@ error[E0308]: mismatched types - --> $DIR/mismatch.rs:11:26 + --> $DIR/mismatch.rs:11:28 | -LL | let e: Example::<13> = (); - | ------------- ^^ expected struct `Example`, found `()` - | | - | expected due to this +LL | let e: Example::<13> = (); + | ------------- ^^ expected struct `Example`, found `()` + | | + | expected due to this error[E0308]: mismatched types - --> $DIR/mismatch.rs:13:32 + --> $DIR/mismatch.rs:13:34 | -LL | let e: Example2:: = (); - | ------------------- ^^ expected struct `Example2`, found `()` - | | - | expected due to this +LL | let e: Example2:: = (); + | ------------------- ^^ expected struct `Example2`, found `()` + | | + | expected due to this | = note: expected struct `Example2` found unit type `()` error[E0308]: mismatched types - --> $DIR/mismatch.rs:15:32 + --> $DIR/mismatch.rs:15:34 | -LL | let e: Example3::<13, u32> = (); - | ------------------- ^^ expected struct `Example3`, found `()` - | | - | expected due to this +LL | let e: Example3::<13, u32> = (); + | ------------------- ^^ expected struct `Example3`, found `()` + | | + | expected due to this | = note: expected struct `Example3` found unit type `()` error[E0308]: mismatched types - --> $DIR/mismatch.rs:17:26 + --> $DIR/mismatch.rs:17:28 | -LL | let e: Example3::<7> = (); - | ------------- ^^ expected struct `Example3`, found `()` - | | - | expected due to this +LL | let e: Example3::<7> = (); + | ------------- ^^ expected struct `Example3`, found `()` + | | + | expected due to this | = note: expected struct `Example3<7_usize>` found unit type `()` error[E0308]: mismatched types - --> $DIR/mismatch.rs:21:26 + --> $DIR/mismatch.rs:21:28 | -LL | let e: Example4::<7> = (); - | ------------- ^^ expected struct `Example4`, found `()` - | | - | expected due to this +LL | let e: Example4::<7> = (); + | ------------- ^^ expected struct `Example4`, found `()` + | | + | expected due to this error: aborting due to 5 previous errors diff --git a/src/test/ui/const-generics/defaults/needs-feature.rs b/src/test/ui/const-generics/defaults/needs-feature.rs index 7eb7764a64449..b58dee0712a76 100644 --- a/src/test/ui/const-generics/defaults/needs-feature.rs +++ b/src/test/ui/const-generics/defaults/needs-feature.rs @@ -10,5 +10,5 @@ struct A(T); //[min]~^ ERROR type parameters must be declared prior fn main() { - let _: A<3> = A(0); + let _: A<3> = A(0); } diff --git a/src/test/ui/const-generics/defaults/simple-defaults.rs b/src/test/ui/const-generics/defaults/simple-defaults.rs index 1f1b6c2260db6..cb66c7769bb23 100644 --- a/src/test/ui/const-generics/defaults/simple-defaults.rs +++ b/src/test/ui/const-generics/defaults/simple-defaults.rs @@ -6,12 +6,12 @@ #![allow(dead_code)] struct FixedOutput<'a, const N: usize, T=u32> { - //[min]~^ ERROR type parameters must be declared prior to const parameters - out: &'a [T; N], + //[min]~^ ERROR type parameters must be declared prior to const parameters + out: &'a [T; N], } trait FixedOutputter { - fn out(&self) -> FixedOutput<'_, 10>; + fn out(&self) -> FixedOutput<'_, 10>; } fn main() {}