vala: Enforce "return yield ..." syntax to be expected

"yield return ..." wasn't handled correctly and resulted in broken c-code.

Fixes https://gitlab.gnome.org/GNOME/vala/issues/675

1 files changed, 13 insertions, 0 deletions

diff --git a/tests/parser/yield-return.test b/tests/parser/yield-return.test
new file mode 100644
index 000000000..08256e0cf
--- /dev/null
+++ b/tests/parser/yield-return.test
@@ -0,0 +1,13 @@
+Invalid Code
+
+class Foo {
+	public async Foo () {
+	}
+}
+
+async Foo bar () {
+	yield return new Foo ();
+}
+
+void main () {
+}