Test for #7237 (#10486)

tests/optimization/src/issues/Issue7237.hx

@@ -0,0 +1,26 @@
+package issues;
+
+class Issue7237 {
+
+	@:js('
+		var f = function(a) {
+			var b = a;
+			return b;
+		};
+		var f2 = function(a) {
+			var b = a;
+			return b;
+		};
+	')
+	@:analyzer(ignore)
+	static function main() {
+		var f = function(a) {
+			var b = a;
+			return b;
+		}
+		var f2 = function(a) {
+			var b = a;
+			return b;
+		}
+	}
+}