rust/tests/ui/lint/large_assignments/inline_mir.rs

25 lines
695 B
Rust

#![feature(large_assignments)]
#![deny(large_assignments)]
#![move_size_limit = "1000"]
//! Tests that with `-Zinline-mir`, we do NOT get an error that points to the
//! implementation of `UnsafeCell` since that is not actionable by the user:
//!
//! ```text
//! error: moving 9999 bytes
//! --> /rustc/FAKE_PREFIX/library/core/src/cell.rs:2054:9
//! |
//! = note: value moved from here
//! ```
//!
//! We want the diagnostics to point to the relevant user code.
//@ build-fail
//@ compile-flags: -Zmir-opt-level=1 -Zinline-mir
pub fn main() {
let data = [10u8; 9999];
let cell = std::cell::UnsafeCell::new(data); //~ ERROR large_assignments
std::hint::black_box(cell);
}