1 files changed, 26 insertions, 0 deletions
diff --git a/tests/ui/consts/const-eval/const-eval-overflow-3b.rs b/tests/ui/consts/const-eval/const-eval-overflow-3b.rs
new file mode 100644
index 000000000..480069e67
--- /dev/null
+++ b/tests/ui/consts/const-eval/const-eval-overflow-3b.rs
@@ -0,0 +1,26 @@
+// Evaluation of constants in array-elem count goes through different
+// compiler control-flow paths.
+//
+// This test is checking the count in an array expression.
+//
+// This is a variation of another such test, but in this case the
+// types for the left- and right-hand sides of the addition do not
+// match (as well as overflow).
+
+#![allow(unused_imports)]
+
+use std::fmt;
+
+const A_I8_I
+    : [u32; (i8::MAX as usize) + 1]
+    = [0; (i8::MAX + 1u8) as usize];
+//~^ ERROR mismatched types
+//~| ERROR cannot add `u8` to `i8`
+
+fn main() {
+    foo(&A_I8_I[..]);
+}
+
+fn foo<T:fmt::Debug>(x: T) {
+    println!("{:?}", x);
+}