coverage: Add `tests/coverage/loop-break.rs`

This is a modified copy of `tests/mir-opt/coverage/instrument_coverage.rs`.

1 files changed, 13 insertions, 0 deletions

diff --git a/tests/coverage/loop-break.rs b/tests/coverage/loop-break.rs
new file mode 100644
index 00000000000..9a842225e83
--- /dev/null
+++ b/tests/coverage/loop-break.rs
@@ -0,0 +1,13 @@
+//@ edition: 2021
+
+fn main() {
+    loop {
+        if core::hint::black_box(true) {
+            break;
+        }
+    }
+}
+
+// This test is a lightly-modified version of `tests/mir-opt/coverage/instrument_coverage.rs`.
+// If this test needs to be blessed, then the mir-opt version probably needs to
+// be blessed too!