1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
//@ revisions: full gce
//@ compile-flags: -Zdeduplicate-diagnostics=yes
#![cfg_attr(gce, feature(generic_const_exprs))]
#![allow(incomplete_features)]
use std::mem::size_of;
fn foo<T>() {
[0; size_of::<*mut T>()]; // lint on stable, error with `generic_const_exprs`
//[gce]~^ ERROR unconstrained
//[full]~^^ WARNING cannot use constants
//[full]~| WARNING this was previously accepted
let _: [u8; size_of::<*mut T>()]; // error on stable, error with gce
//[full]~^ ERROR generic parameters may not be used
//[gce]~^^ ERROR unconstrained generic
[0; if false { size_of::<T>() } else { 3 }]; // lint on stable, error with gce
//[gce]~^ ERROR overly complex
//[full]~^^ WARNING cannot use constants
//[full]~| WARNING this was previously accepted
let _: [u8; if true { size_of::<T>() } else { 3 }]; // error on stable, error with gce
//[full]~^ ERROR generic parameters may not be used
//[gce]~^^ ERROR overly complex
}
fn main() {}
|
