Update Tests

tests/ui/consts/const-eval/stable-metric/evade-deduplication-issue-118612.rs

@@ -0,0 +1,24 @@
+//@ check-pass
+
+#![allow(long_running_const_eval)]
+
+//@ compile-flags: -Z tiny-const-eval-limit -Z deduplicate-diagnostics=yes
+const FOO: () = {
+    let mut i = 0;
+    loop {
+        //~^ WARN is taking a long time
+        //~| WARN is taking a long time
+        //~| WARN is taking a long time
+        //~| WARN is taking a long time
+        //~| WARN is taking a long time
+        if i == 1000 {
+            break;
+        } else {
+            i += 1;
+        }
+    }
+};
+
+fn main() {
+    FOO
+}

tests/ui/consts/const-eval/stable-metric/evade-deduplication-issue-118612.stderr

@@ -0,0 +1,20 @@
+warning: constant evaluation is taking a long time
+  --> $DIR/evade-deduplication-issue-118612.rs:8:5
+   |
+LL | /     loop {
+LL | |
+LL | |
+LL | |
+...  |
+LL | |         }
+LL | |     }
+   | |_____^ the const evaluator is currently interpreting this expression
+   |
+help: the constant being evaluated
+  --> $DIR/evade-deduplication-issue-118612.rs:6:1
+   |
+LL | const FOO: () = {
+   | ^^^^^^^^^^^^^
+
+warning: 1 warning emitted
+