bjoernager/rust
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Auto merge of #85745 - veber-alex:panic_any, r=m-ou-se

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Add #[track_caller] to panic_any

Report the panic location from the user code.

```rust
use std::panic;
use std::panic::panic_any;

fn main() {
    panic::set_hook(Box::new(|panic_info| {
        if let Some(location) = panic_info.location() {
            println!(
                "panic occurred in file '{}' at line {}",
                location.file(),
                location.line(),
            );
        } else {
            println!("panic occurred but can't get location information...");
        }
    }));

    panic_any(42);
}
````

Before:
`panic occurred in file '/rustc/ff2c947c00f867b9f012e28ba88cecfbe556f904/library/std/src/panic.rs' at line 59`

After:
`panic occurred in file 'src/main.rs' at line 17`
This commit is contained in:
bors 2021-05-28 06:08:58 +00:00
commit 18135ec85b
1 changed files with 1 additions and 0 deletions
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1
library/std/src/panic.rs
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@ -55,6 +55,7 @@ pub use core::panic::{Location, PanicInfo};
/// See the [`panic!`] macro for more information about panicking.
#[stable(feature = "panic_any", since = "1.51.0")]
#[inline]
#[track_caller]
pub fn panic_any<M: 'static + Any + Send>(msg: M) -> ! {
crate::panicking::begin_panic(msg);
}