diff options
Diffstat (limited to 'src/test/ui/numbers-arithmetic/overflowing-sub.rs')
| -rw-r--r-- | src/test/ui/numbers-arithmetic/overflowing-sub.rs | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/test/ui/numbers-arithmetic/overflowing-sub.rs b/src/test/ui/numbers-arithmetic/overflowing-sub.rs new file mode 100644 index 00000000000..2e2ee521247 --- /dev/null +++ b/src/test/ui/numbers-arithmetic/overflowing-sub.rs @@ -0,0 +1,9 @@ +// run-fail +// error-pattern:thread 'main' panicked at 'attempt to subtract with overflow' +// compile-flags: -C debug-assertions + +#![allow(arithmetic_overflow)] + +fn main() { + let _x = 42u8 - (42u8 + 1); +} |
