diff options
Diffstat (limited to 'src/test')
8 files changed, 71 insertions, 3 deletions
diff --git a/src/test/ui/const_evaluatable/associated-const.rs b/src/test/ui/const_evaluatable/associated-const.rs new file mode 100644 index 00000000000..a6777632254 --- /dev/null +++ b/src/test/ui/const_evaluatable/associated-const.rs @@ -0,0 +1,11 @@ +// check-pass +struct Foo<T>(T); +impl<T> Foo<T> { + const VALUE: usize = std::mem::size_of::<T>(); +} + +fn test<T>() { + let _ = [0; Foo::<u8>::VALUE]; +} + +fn main() {} diff --git a/src/test/ui/const_evaluatable/function-call.rs b/src/test/ui/const_evaluatable/function-call.rs new file mode 100644 index 00000000000..b5de66621c5 --- /dev/null +++ b/src/test/ui/const_evaluatable/function-call.rs @@ -0,0 +1,19 @@ +// check-pass + +const fn foo<T>() -> usize { + // We might instead branch on `std::mem::size_of::<*mut T>() < 8` here, + // which would cause this function to fail on 32 bit systems. + if false { + std::mem::size_of::<T>() + } else { + 8 + } +} + +fn test<T>() { + let _ = [0; foo::<T>()]; + //~^ WARN cannot use constants which depend on generic parameters in types + //~| WARN this was previously accepted by the compiler but is being phased out +} + +fn main() {} diff --git a/src/test/ui/const_evaluatable/function-call.stderr b/src/test/ui/const_evaluatable/function-call.stderr new file mode 100644 index 00000000000..0d8463714e8 --- /dev/null +++ b/src/test/ui/const_evaluatable/function-call.stderr @@ -0,0 +1,12 @@ +warning: cannot use constants which depend on generic parameters in types + --> $DIR/function-call.rs:14:17 + | +LL | let _ = [0; foo::<T>()]; + | ^^^^^^^^^^ + | + = note: `#[warn(const_evaluatable_unchecked)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #76200 <https://github.com/rust-lang/rust/issues/76200> + +warning: 1 warning emitted + diff --git a/src/test/ui/enum-discriminant/issue-70453-polymorphic-ctfe.rs b/src/test/ui/enum-discriminant/issue-70453-polymorphic-ctfe.rs index 5a528379b04..cdc1db4c0b4 100644 --- a/src/test/ui/enum-discriminant/issue-70453-polymorphic-ctfe.rs +++ b/src/test/ui/enum-discriminant/issue-70453-polymorphic-ctfe.rs @@ -1,5 +1,4 @@ // run-pass - #![feature(arbitrary_enum_discriminant, core_intrinsics)] extern crate core; @@ -9,6 +8,8 @@ use core::intrinsics::discriminant_value; enum MyWeirdOption<T> { None = 0, Some(T) = core::mem::size_of::<*mut T>(), + //~^ WARN cannot use constants which depend on generic parameters in types + //~| WARN this was previously accepted by the compiler but is being phased out } fn main() { diff --git a/src/test/ui/enum-discriminant/issue-70453-polymorphic-ctfe.stderr b/src/test/ui/enum-discriminant/issue-70453-polymorphic-ctfe.stderr new file mode 100644 index 00000000000..906927e705e --- /dev/null +++ b/src/test/ui/enum-discriminant/issue-70453-polymorphic-ctfe.stderr @@ -0,0 +1,12 @@ +warning: cannot use constants which depend on generic parameters in types + --> $DIR/issue-70453-polymorphic-ctfe.rs:10:15 + | +LL | Some(T) = core::mem::size_of::<*mut T>(), + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: `#[warn(const_evaluatable_unchecked)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #76200 <https://github.com/rust-lang/rust/issues/76200> + +warning: 1 warning emitted + diff --git a/src/test/ui/impl-trait/issue-56445.rs b/src/test/ui/impl-trait/issue-56445.rs index a34d7bae3a6..6dd1648c9b8 100644 --- a/src/test/ui/impl-trait/issue-56445.rs +++ b/src/test/ui/impl-trait/issue-56445.rs @@ -5,8 +5,7 @@ use std::marker::PhantomData; -pub struct S<'a> -{ +pub struct S<'a> { pub m1: PhantomData<&'a u8>, pub m2: [u8; S::size()], } diff --git a/src/test/ui/lazy_normalization_consts/issue-73980.rs b/src/test/ui/lazy_normalization_consts/issue-73980.rs index 339b22c0b42..e10040652c7 100644 --- a/src/test/ui/lazy_normalization_consts/issue-73980.rs +++ b/src/test/ui/lazy_normalization_consts/issue-73980.rs @@ -10,5 +10,7 @@ impl<T: ?Sized> L<T> { } impl<T> X<T, [u8; L::<T>::S]> {} +//~^ WARN cannot use constants which depend on generic parameters +//~| WARN this was previously accepted by the compiler but is being phased out fn main() {} diff --git a/src/test/ui/lazy_normalization_consts/issue-73980.stderr b/src/test/ui/lazy_normalization_consts/issue-73980.stderr new file mode 100644 index 00000000000..5ed1ca362f4 --- /dev/null +++ b/src/test/ui/lazy_normalization_consts/issue-73980.stderr @@ -0,0 +1,12 @@ +warning: cannot use constants which depend on generic parameters in types + --> $DIR/issue-73980.rs:12:9 + | +LL | impl<T> X<T, [u8; L::<T>::S]> {} + | ^^^^^^^^^^^^^^^^^^^^^ + | + = note: `#[warn(const_evaluatable_unchecked)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #76200 <https://github.com/rust-lang/rust/issues/76200> + +warning: 1 warning emitted + |