Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/errors/cs0629.cs

@@ -0,0 +1,13 @@
+// CS0629: Conditional member `DerivedClass.Show(int)' cannot implement interface member `IFace.Show(int)'
+// Line: 12
+
+interface IFace
+{
+        void Show (int arg);
+}
+
+class DerivedClass: IFace
+{
+        [System.Diagnostics.Conditional("DEBUG")]
+        public void Show (int arg) {}
+}