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Auto merge of #125518 - saethlin:check-arguments-new-in-const, r=joboet

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Move the checks for Arguments constructors to inline const

Thanks `@Skgland` for pointing out this opportunity: https://github.com/rust-lang/rust/pull/117804#discussion_r1612964362
This commit is contained in:
bors 2024-05-26 01:10:39 +00:00
commit 75e2c5dcd0
6 changed files with 75 additions and 87 deletions
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4
tests/ui/consts/const-eval/format.rs
View file

@ -1,13 +1,13 @@
const fn failure() {
panic!("{:?}", 0);
//~^ ERROR cannot call non-const formatting macro in constant functions
//~| ERROR cannot call non-const fn `Arguments::<'_>::new_v1` in constant functions
//~| ERROR cannot call non-const fn `Arguments::<'_>::new_v1::<1, 1>` in constant functions
}
const fn print() {
println!("{:?}", 0);
//~^ ERROR cannot call non-const formatting macro in constant functions
//~| ERROR cannot call non-const fn `Arguments::<'_>::new_v1` in constant functions
//~| ERROR cannot call non-const fn `Arguments::<'_>::new_v1::<2, 1>` in constant functions
//~| ERROR cannot call non-const fn `_print` in constant functions
}

4
tests/ui/consts/const-eval/format.stderr
View file

@ -7,7 +7,7 @@ LL | panic!("{:?}", 0);
= note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
= note: this error originates in the macro `$crate::const_format_args` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0015]: cannot call non-const fn `Arguments::<'_>::new_v1` in constant functions
error[E0015]: cannot call non-const fn `Arguments::<'_>::new_v1::<1, 1>` in constant functions
--> $DIR/format.rs:2:5
|
LL | panic!("{:?}", 0);
@ -25,7 +25,7 @@ LL | println!("{:?}", 0);
= note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
= note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0015]: cannot call non-const fn `Arguments::<'_>::new_v1` in constant functions
error[E0015]: cannot call non-const fn `Arguments::<'_>::new_v1::<2, 1>` in constant functions
--> $DIR/format.rs:8:5
|
LL | println!("{:?}", 0);