1 files changed, 23 insertions, 0 deletions
diff --git a/src/test/ui/consts/const-eval/issue-43197.rs b/src/test/ui/consts/const-eval/issue-43197.rs
new file mode 100644
index 000000000..e15f8771d
--- /dev/null
+++ b/src/test/ui/consts/const-eval/issue-43197.rs
@@ -0,0 +1,23 @@
+// build-fail
+
+#![warn(const_err)]
+
+const fn foo(x: u32) -> u32 {
+    x
+}
+
+fn main() {
+    const X: u32 = 0 - 1;
+    //~^ WARN any use of this value will cause
+    //~| WARN this was previously accepted by the compiler but is being phased out
+    const Y: u32 = foo(0 - 1);
+    //~^ WARN any use of this value will cause
+    //~| WARN this was previously accepted by the compiler but is being phased out
+    println!("{} {}", X, Y);
+    //~^ ERROR evaluation of constant value failed
+    //~| ERROR evaluation of constant value failed
+    //~| WARN erroneous constant used [const_err]
+    //~| WARN erroneous constant used [const_err]
+    //~| WARN this was previously accepted by the compiler but is being phased out
+    //~| WARN this was previously accepted by the compiler but is being phased out
+}