rust/tests/ui/consts/const-array-oob.rs

const FOO: [usize; 3] = [1, 2, 3];
const BAR: usize = FOO[5];
//~^ ERROR: index out of bounds: the length is 3 but the index is 5

const BLUB: [u32; FOO[4]] = [5, 6];
//~^ ERROR index out of bounds: the length is 3 but the index is 4

fn main() {
    let _ = BAR;
}
rustc_const_eval: always demand typeck_tables for evaluating constants. 2017-02-15 15:00:20 +02:00			`const FOO: [usize; 3] = [1, 2, 3];`
Always evaluate free constants and statics, even if previous errors occurred 2024-02-14 12:28:07 +00:00			`const BAR: usize = FOO[5];`
Use the informative error as the main const eval error message 2025-05-28 10:29:08 +00:00			`//~^ ERROR: index out of bounds: the length is 3 but the index is 5`
allow indexing into constant arrays 2015-11-18 10:57:52 +01:00
			`const BLUB: [u32; FOO[4]] = [5, 6];`
Use the informative error as the main const eval error message 2025-05-28 10:29:08 +00:00			`//~^ ERROR index out of bounds: the length is 3 but the index is 4`
Fix LLVM assertion when out-of-bounds indexing in a constant Fixes #23291 2015-03-12 00:19:37 +01:00
			`fn main() {`
			`let _ = BAR;`
			`}`