From 64d98f8ee037282c35007b64c2649055c56af1db Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:03 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/iterators/iter-count-overflow-debug.rs | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 tests/ui/iterators/iter-count-overflow-debug.rs (limited to 'tests/ui/iterators/iter-count-overflow-debug.rs') diff --git a/tests/ui/iterators/iter-count-overflow-debug.rs b/tests/ui/iterators/iter-count-overflow-debug.rs new file mode 100644 index 000000000..8e59c11e9 --- /dev/null +++ b/tests/ui/iterators/iter-count-overflow-debug.rs @@ -0,0 +1,15 @@ +// run-pass +// only-32bit too impatient for 2⁶⁴ items +// needs-unwind +// compile-flags: -C debug_assertions=yes -C opt-level=3 + +use std::panic; + +fn main() { + assert_eq!((0..usize::MAX).by_ref().count(), usize::MAX); + + let r = panic::catch_unwind(|| { + (0..=usize::MAX).by_ref().count() + }); + assert!(r.is_err()); +} -- cgit v1.2.3