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| author | Mara Bos <m-ou.se@m-ou.se> | 2021-07-09 17:29:41 +0200 |
|---|---|---|
| committer | Mara Bos <m-ou.se@m-ou.se> | 2021-07-28 16:12:30 +0200 |
| commit | b48274fd98b74c1fb28842d899aa0ee377d9f923 (patch) | |
| tree | ec733afb19808b2eda22a59ad68226dc395109a5 | |
| parent | b64c4f9560e370eb718dfd266d9251d0394e6857 (diff) | |
| download | rust-b48274fd98b74c1fb28842d899aa0ee377d9f923.tar.gz rust-b48274fd98b74c1fb28842d899aa0ee377d9f923.zip | |
Use unreachable_unchecked in const_panic_fmt.
| -rw-r--r-- | library/core/src/panicking.rs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/library/core/src/panicking.rs b/library/core/src/panicking.rs index 03398869466..65267a417cb 100644 --- a/library/core/src/panicking.rs +++ b/library/core/src/panicking.rs @@ -100,7 +100,10 @@ pub const fn const_panic_fmt(fmt: fmt::Arguments<'_>) -> ! { if let Some(msg) = fmt.as_str() { panic_str(msg); } else { - panic_str("???"); + // SAFETY: This is only evaluated at compile time, which handles this + // fine (in case it turns out this branch turns out to be reachable + // somehow). + unsafe { crate::hint::unreachable_unchecked() }; } } |