1 files changed, 18 insertions, 0 deletions
diff --git a/tests/mir-opt/div_overflow.rs b/tests/mir-opt/div_overflow.rs
new file mode 100644
index 000000000..10ce5bc0f
--- /dev/null
+++ b/tests/mir-opt/div_overflow.rs
@@ -0,0 +1,18 @@
+// compile-flags: -Copt-level=0 -Coverflow-checks=yes
+
+// Tests that division with a const does not emit a panicking branch for overflow
+
+// EMIT_MIR div_overflow.const_divisor.PreCodegen.after.mir
+pub fn const_divisor(a: i32) -> i32 {
+    a / 256
+}
+
+// EMIT_MIR div_overflow.const_dividend.PreCodegen.after.mir
+pub fn const_dividend(a: i32) -> i32 {
+    256 / a
+}
+
+fn main() {
+    const_divisor(123);
+    const_dividend(123);
+}