106 lines
2.8 KiB
Rust
106 lines
2.8 KiB
Rust
//@aux-build:proc_macros.rs
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#![warn(clippy::large_stack_arrays)]
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#![allow(clippy::large_enum_variant)]
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extern crate proc_macros;
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#[derive(Clone, Copy)]
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struct S {
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pub data: [u64; 32],
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}
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#[derive(Clone, Copy)]
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enum E {
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S(S),
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T(u32),
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}
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pub static DOESNOTLINT: [u8; 512_001] = [0; 512_001];
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pub static DOESNOTLINT2: [u8; 512_001] = {
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let x = 0;
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[x; 512_001]
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};
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fn issue_10741() {
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#[derive(Copy, Clone)]
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struct Large([u32; 100_000]);
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fn build() -> Large {
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Large([0; 100_000])
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}
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let _x = [build(); 3];
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//~^ ERROR: allocating a local array larger than 512000 bytes
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let _y = [build(), build(), build()];
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//~^ ERROR: allocating a local array larger than 512000 bytes
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}
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fn main() {
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let bad = (
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[0u32; 20_000_000],
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//~^ ERROR: allocating a local array larger than 512000 bytes
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[S { data: [0; 32] }; 5000],
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//~^ ERROR: allocating a local array larger than 512000 bytes
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[Some(""); 20_000_000],
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//~^ ERROR: allocating a local array larger than 512000 bytes
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[E::T(0); 5000],
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//~^ ERROR: allocating a local array larger than 512000 bytes
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[0u8; usize::MAX],
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//~^ ERROR: allocating a local array larger than 512000 bytes
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);
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let good = (
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[0u32; 1000],
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[S { data: [0; 32] }; 1000],
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[Some(""); 1000],
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[E::T(0); 1000],
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[(); 20_000_000],
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);
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}
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#[allow(clippy::useless_vec)]
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fn issue_12586() {
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macro_rules! dummy {
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($n:expr) => {
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$n
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};
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// Weird rule to test help messages.
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($a:expr => $b:expr) => {
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[$a, $b, $a, $b]
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//~^ ERROR: allocating a local array larger than 512000 bytes
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};
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($id:ident; $n:literal) => {
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dummy!(::std::vec![$id;$n])
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};
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($($id:expr),+ $(,)?) => {
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::std::vec![$($id),*]
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}
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}
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macro_rules! create_then_move {
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($id:ident; $n:literal) => {{
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let _x_ = [$id; $n];
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//~^ ERROR: allocating a local array larger than 512000 bytes
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_x_
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}};
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}
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let x = [0u32; 50_000];
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let y = vec![x, x, x, x, x];
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let y = vec![dummy![x, x, x, x, x]];
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let y = vec![dummy![[x, x, x, x, x]]];
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let y = dummy![x, x, x, x, x];
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let y = [x, x, dummy!(x), x, x];
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//~^ ERROR: allocating a local array larger than 512000 bytes
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let y = dummy![x => x];
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let y = dummy![x;5];
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let y = dummy!(vec![dummy![x, x, x, x, x]]);
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let y = dummy![[x, x, x, x, x]];
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//~^ ERROR: allocating a local array larger than 512000 bytes
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let y = proc_macros::make_it_big!([x; 1]);
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//~^ ERROR: allocating a local array larger than 512000 bytes
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let y = vec![proc_macros::make_it_big!([x; 10])];
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let y = vec![create_then_move![x; 5]; 5];
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}
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