rust/tests/ui/limits/huge-static.rs
2024-09-19 16:23:38 -07:00

27 lines
654 B
Rust

//@ only-64bit
// This test validates we gracefully fail computing a const or static of absurdly large size.
// The oddly-specific number is because of LLVM measuring object sizes in bits.
const HUGE_SIZE: usize = 1 << 61;
pub struct TooBigArray {
arr: [u8; HUGE_SIZE],
}
impl TooBigArray {
pub const fn new() -> Self {
TooBigArray { arr: [0x00; HUGE_SIZE], }
}
}
static MY_TOO_BIG_ARRAY_1: TooBigArray = TooBigArray::new();
//~^ ERROR could not evaluate static initializer
//~| too big
static MY_TOO_BIG_ARRAY_2: [u8; HUGE_SIZE] = [0x00; HUGE_SIZE];
//~^ ERROR could not evaluate static initializer
//~| too big
fn main() { }