Make async keyword context sensitive

1 files changed, 48 insertions, 0 deletions

diff --git a/mcs/tests/test-async-22.cs b/mcs/tests/test-async-22.cs
new file mode 100644
index 00000000000..2f4d62cf92d
--- /dev/null
+++ b/mcs/tests/test-async-22.cs
@@ -0,0 +1,48 @@
+// Compiler options: -langversion:future
+
+using System;
+using System.Threading.Tasks;
+
+// contextual async during parsing
+
+class A
+{
+	async Task<int> async ()
+	{
+		int async;
+		throw new NotImplementedException ();
+	}
+
+	async Task async (int async)
+	{
+		throw new NotImplementedException ();
+	}
+
+	public static int Main ()
+	{
+		return 0;
+	}
+}
+
+class B
+{
+	class async
+	{
+		async (async arg)
+		{
+		}
+	}
+}
+
+class async
+{
+	async (async arg)
+	{
+	}
+}
+
+[async]
+class asyncAttribute: Attribute
+{
+	delegate async async (async async);
+}
\ No newline at end of file