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1 | // revisions: e2018 e2021 |
2 | //[e2018] edition:2018 | |
3 | //[e2021] edition:2021 | |
4 | //[e2018] check-pass | |
5 | #![crate_type = "lib"] | |
6 | #![stable(feature = "foo", since = "1.0.0")] | |
7 | #![feature(staged_api)] | |
8 | ||
9 | #[stable(feature = "foo", since = "1.0.0")] | |
10 | #[rustc_const_stable(feature = "foo", since = "1.0.0")] | |
11 | const fn foo() { | |
12 | assert!(false); | |
13 | assert!(false, "foo"); | |
14 | panic!({ "foo" }); | |
15 | //[e2018]~^ WARNING panic message is not a string literal | |
16 | //[e2021]~^^ ERROR format argument must be a string literal | |
17 | } |