Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/errors/cs0213.cs

@@ -0,0 +1,16 @@
+// CS0213: You cannot use the fixed statement to take the address of an already fixed expression
+// Line: 12
+// Compiler options: -unsafe
+
+class UnsafeClass {
+        unsafe UnsafeClass () {
+                int value = 5;
+                Calculate(value);
+        }
+        
+        unsafe void Calculate (int value) {
+                fixed (int *x = &value) {}
+        }
+}
+
+