diff options
Diffstat (limited to 'tests/ui/consts/const-eval/ub-enum.rs')
| -rw-r--r-- | tests/ui/consts/const-eval/ub-enum.rs | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/tests/ui/consts/const-eval/ub-enum.rs b/tests/ui/consts/const-eval/ub-enum.rs index ac543430da9..52fc9945068 100644 --- a/tests/ui/consts/const-eval/ub-enum.rs +++ b/tests/ui/consts/const-eval/ub-enum.rs @@ -27,13 +27,13 @@ enum Enum { const GOOD_ENUM: Enum = unsafe { mem::transmute(0usize) }; const BAD_ENUM: Enum = unsafe { mem::transmute(1usize) }; -//~^ ERROR is undefined behavior +//~^ ERROR expected a valid enum tag const BAD_ENUM_PTR: Enum = unsafe { mem::transmute(&1) }; -//~^ ERROR evaluation of constant value failed +//~^ ERROR unable to turn pointer into integer const BAD_ENUM_WRAPPED: Wrap<Enum> = unsafe { mem::transmute(&1) }; -//~^ ERROR evaluation of constant value failed +//~^ ERROR unable to turn pointer into integer // # simple enum with discriminant 2 @@ -45,12 +45,12 @@ enum Enum2 { } const BAD_ENUM2: Enum2 = unsafe { mem::transmute(0usize) }; -//~^ ERROR is undefined behavior +//~^ ERROR expected a valid enum tag const BAD_ENUM2_PTR: Enum2 = unsafe { mem::transmute(&0) }; -//~^ ERROR evaluation of constant value failed +//~^ ERROR unable to turn pointer into integer // something wrapping the enum so that we test layout first, not enum const BAD_ENUM2_WRAPPED: Wrap<Enum2> = unsafe { mem::transmute(&0) }; -//~^ ERROR evaluation of constant value failed +//~^ ERROR unable to turn pointer into integer // Undef enum discriminant. #[repr(C)] @@ -58,13 +58,12 @@ union MaybeUninit<T: Copy> { uninit: (), init: T, } -const BAD_ENUM2_UNDEF : Enum2 = unsafe { MaybeUninit { uninit: () }.init }; -//~^ ERROR evaluation of constant value failed -//~| NOTE uninitialized +const BAD_ENUM2_UNDEF: Enum2 = unsafe { MaybeUninit { uninit: () }.init }; +//~^ ERROR uninitialized // Pointer value in an enum with a niche that is not just 0. const BAD_ENUM2_OPTION_PTR: Option<Enum2> = unsafe { mem::transmute(&0) }; -//~^ ERROR evaluation of constant value failed +//~^ ERROR unable to turn pointer into integer // # valid discriminant for uninhabited variant @@ -81,9 +80,9 @@ const GOOD_INHABITED_VARIANT1: UninhDiscriminant = unsafe { mem::transmute(0u8) const GOOD_INHABITED_VARIANT2: UninhDiscriminant = unsafe { mem::transmute(2u8) }; // variant C const BAD_UNINHABITED_VARIANT1: UninhDiscriminant = unsafe { mem::transmute(1u8) }; -//~^ ERROR is undefined behavior +//~^ ERROR uninhabited enum variant const BAD_UNINHABITED_VARIANT2: UninhDiscriminant = unsafe { mem::transmute(3u8) }; -//~^ ERROR is undefined behavior +//~^ ERROR uninhabited enum variant // # other @@ -91,20 +90,21 @@ const BAD_UNINHABITED_VARIANT2: UninhDiscriminant = unsafe { mem::transmute(3u8) // variants and tuples). // Need to create something which does not clash with enum layout optimizations. const BAD_OPTION_CHAR: Option<(char, char)> = Some(('x', unsafe { mem::transmute(!0u32) })); -//~^ ERROR is undefined behavior +//~^ ERROR expected a valid unicode scalar // All variants are uninhabited but also have data. // Use `0` as constant to make behavior endianness-independent. const BAD_UNINHABITED_WITH_DATA1: Result<(i32, Never), (i32, !)> = unsafe { mem::transmute(0u64) }; -//~^ ERROR evaluation of constant value failed +//~^ ERROR uninhabited enum variant const BAD_UNINHABITED_WITH_DATA2: Result<(i32, !), (i32, Never)> = unsafe { mem::transmute(0u64) }; -//~^ ERROR evaluation of constant value failed +//~^ ERROR uninhabited enum variant const TEST_ICE_89765: () = { // This is a regression test for https://github.com/rust-lang/rust/issues/89765. - unsafe { std::mem::discriminant(&*(&() as *const () as *const Never)); }; - //~^ ERROR evaluation of constant value failed + unsafe { + std::mem::discriminant(&*(&() as *const () as *const Never)); + //~^ ERROR uninhabited enum variant + }; }; -fn main() { -} +fn main() {} |
