1 files changed, 14 insertions, 0 deletions
diff --git a/tests/icon/regression/o3_caller_replace.zc b/tests/icon/regression/o3_caller_replace.zc
new file mode 100644
index 0000000..e55cce2
--- /dev/null
+++ b/tests/icon/regression/o3_caller_replace.zc
@@ -0,0 +1,14 @@
+include rt;
+include run;
+include icon;
+// an o3 caller must see a published replacement of its callee: a future direct
+// o3-to-o3 call has to keep a callee generation guard, not bind the old entry.
+o3 int target() { return 7; }
+o3 int caller() { int s = 0; for (int i = 0; i < 3; i++) s += target(); return s; }
+fn main() {
+	let seven = run.tokens("7"), eight = run.tokens("8");
+	rt.put_n(caller()); rt.put_c(' ');
+	rt.put_n(icon.find_replace(target, seven, eight)); rt.put_c(' ');
+	rt.put_n(caller()); rt.put_c(10);
+	return 0;
+}