summaryrefslogtreecommitdiffstats
path: root/src/test/ui/numbers-arithmetic/next-power-of-two-overflow-ndebug.rs
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--src/test/ui/numbers-arithmetic/next-power-of-two-overflow-ndebug.rs14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/test/ui/numbers-arithmetic/next-power-of-two-overflow-ndebug.rs b/src/test/ui/numbers-arithmetic/next-power-of-two-overflow-ndebug.rs
new file mode 100644
index 000000000..982cd97c5
--- /dev/null
+++ b/src/test/ui/numbers-arithmetic/next-power-of-two-overflow-ndebug.rs
@@ -0,0 +1,14 @@
+// run-pass
+// compile-flags: -C debug_assertions=no
+// ignore-emscripten dies with an LLVM error
+
+fn main() {
+ for i in 129..256 {
+ assert_eq!((i as u8).next_power_of_two(), 0);
+ }
+
+ assert_eq!(((1u16 << 15) + 1).next_power_of_two(), 0);
+ assert_eq!(((1u32 << 31) + 1).next_power_of_two(), 0);
+ assert_eq!(((1u64 << 63) + 1).next_power_of_two(), 0);
+ assert_eq!(((1u128 << 127) + 1).next_power_of_two(), 0);
+}