mirror of https://github.com/rust-lang/rust
25 lines
721 B
Rust
25 lines
721 B
Rust
//@build-fail
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//! Make sure that monomorphization-time const errors from `static_assert` take priority over the
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//! error from simd_extract. Basically this checks that if a const fails to evaluate in some
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//! function, we don't bother codegen'ing the function.
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#![feature(generic_arg_infer)]
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#![feature(core_intrinsics)]
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#![feature(repr_simd)]
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use std::intrinsics::simd::*;
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#[repr(simd)]
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#[allow(non_camel_case_types)]
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struct int8x4_t(u8,u8,u8,u8);
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fn get_elem<const LANE: u32>(a: int8x4_t) -> u8 {
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const { assert!(LANE < 4); } // the error should be here...
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//~^ ERROR failed
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//~| assertion failed
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unsafe { simd_extract(a, LANE) } // ...not here
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}
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fn main() {
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get_elem::<4>(int8x4_t(0,0,0,0));
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}
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