mirror of https://github.com/rust-lang/rust
115 lines
4.2 KiB
Rust
115 lines
4.2 KiB
Rust
//@ only-x86_64
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//@ stderr-per-bitwidth
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#[repr(C)]
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union Nonsense {
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u: usize,
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int_32_ref: &'static i32,
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uint_8: u8,
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uint_16: u16,
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uint_32: u32,
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uint_64: u64,
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uint_128: u128,
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int_8: i8,
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int_16: i16,
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int_32: i32,
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int_64: i64,
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int_128: i128,
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float_32: f32,
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float_64: f64,
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truthy_falsey: bool,
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character: char,
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stringy: &'static str,
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}
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fn main() {
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const I32_REF_USIZE_UNION: usize = unsafe { Nonsense { int_32_ref: &3 }.u };
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//~^ ERROR evaluation of constant value failed
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const I32_REF_U8_UNION: u8 = unsafe { Nonsense { int_32_ref: &3 }.uint_8 };
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//~^ ERROR evaluation of constant value failed
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const I32_REF_U16_UNION: u16 = unsafe { Nonsense { int_32_ref: &3 }.uint_16 };
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//~^ ERROR evaluation of constant value failed
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const I32_REF_U32_UNION: u32 = unsafe { Nonsense { int_32_ref: &3 }.uint_32 };
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//~^ ERROR evaluation of constant value failed
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const I32_REF_U64_UNION: u64 = unsafe { Nonsense { int_32_ref: &3 }.uint_64 };
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//~^ ERROR evaluation of constant value failed
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const I32_REF_U128_UNION: u128 = unsafe { Nonsense { int_32_ref: &3 }.uint_128 };
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//~^ ERROR evaluation of constant value failed
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//~| uninitialized
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const I32_REF_I8_UNION: i8 = unsafe { Nonsense { int_32_ref: &3 }.int_8 };
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//~^ ERROR evaluation of constant value failed
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const I32_REF_I16_UNION: i16 = unsafe { Nonsense { int_32_ref: &3 }.int_16 };
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//~^ ERROR evaluation of constant value failed
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const I32_REF_I32_UNION: i32 = unsafe { Nonsense { int_32_ref: &3 }.int_32 };
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//~^ ERROR evaluation of constant value failed
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const I32_REF_I64_UNION: i64 = unsafe { Nonsense { int_32_ref: &3 }.int_64 };
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//~^ ERROR evaluation of constant value failed
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const I32_REF_I128_UNION: i128 = unsafe { Nonsense { int_32_ref: &3 }.int_128 };
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//~^ ERROR evaluation of constant value failed
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//~| uninitialized
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const I32_REF_F32_UNION: f32 = unsafe { Nonsense { int_32_ref: &3 }.float_32 };
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//~^ ERROR evaluation of constant value failed
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const I32_REF_F64_UNION: f64 = unsafe { Nonsense { int_32_ref: &3 }.float_64 };
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//~^ ERROR evaluation of constant value failed
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const I32_REF_BOOL_UNION: bool = unsafe { Nonsense { int_32_ref: &3 }.truthy_falsey };
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//~^ ERROR evaluation of constant value failed
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const I32_REF_CHAR_UNION: char = unsafe { Nonsense { int_32_ref: &3 }.character };
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//~^ ERROR evaluation of constant value failed
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const STR_U8_UNION: u8 = unsafe { Nonsense { stringy: "3" }.uint_8 };
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//~^ ERROR evaluation of constant value failed
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const STR_U16_UNION: u16 = unsafe { Nonsense { stringy: "3" }.uint_16 };
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//~^ ERROR evaluation of constant value failed
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const STR_U32_UNION: u32 = unsafe { Nonsense { stringy: "3" }.uint_32 };
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//~^ ERROR evaluation of constant value failed
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const STR_U64_UNION: u64 = unsafe { Nonsense { stringy: "3" }.uint_64 };
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//~^ ERROR evaluation of constant value failed
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const STR_U128_UNION: u128 = unsafe { Nonsense { stringy: "3" }.uint_128 };
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//~^ ERROR evaluation of constant value failed
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const STR_I8_UNION: i8 = unsafe { Nonsense { stringy: "3" }.int_8 };
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//~^ ERROR evaluation of constant value failed
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const STR_I16_UNION: i16 = unsafe { Nonsense { stringy: "3" }.int_16 };
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//~^ ERROR evaluation of constant value failed
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const STR_I32_UNION: i32 = unsafe { Nonsense { stringy: "3" }.int_32 };
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//~^ ERROR evaluation of constant value failed
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const STR_I64_UNION: i64 = unsafe { Nonsense { stringy: "3" }.int_64 };
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//~^ ERROR evaluation of constant value failed
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const STR_I128_UNION: i128 = unsafe { Nonsense { stringy: "3" }.int_128 };
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//~^ ERROR evaluation of constant value failed
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const STR_F32_UNION: f32 = unsafe { Nonsense { stringy: "3" }.float_32 };
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//~^ ERROR evaluation of constant value failed
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const STR_F64_UNION: f64 = unsafe { Nonsense { stringy: "3" }.float_64 };
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//~^ ERROR evaluation of constant value failed
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const STR_BOOL_UNION: bool = unsafe { Nonsense { stringy: "3" }.truthy_falsey };
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//~^ ERROR evaluation of constant value failed
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const STR_CHAR_UNION: char = unsafe { Nonsense { stringy: "3" }.character };
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//~^ ERROR evaluation of constant value failed
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}
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