Imported Upstream version 3.10.0

Former-commit-id: 172c8e3c300b39d5785c7a3e8dfb08ebdbc1a99b

mcs/errors/CS0012-24-lib.il

@@ -0,0 +1,33 @@
+.assembly extern 'cs0012-24-missing'
+{
+}
+
+.assembly extern mscorlib
+{
+}
+
+.assembly 'CS0012-24-lib'
+{
+}
+
+.module 'cs0012-24-lib.dll'
+
+  .class public auto ansi beforefieldinit A
+  	extends ['cs0012-24-missing']A0
+  {
+
+    .method public hidebysig specialname rtspecialname
+           instance default void '.ctor' ()  cil managed
+    {
+	   ldarg.0
+	   call instance void class ['cs0012-24-missing']A0::'.ctor'()
+	   ret
+    }
+
+    .method public static hidebysig
+           default void Test ()  cil managed
+    {
+    ret
+    }
+
+  }

mcs/errors/Makefile

@@ -21,7 +21,7 @@ DISTFILES = \
 	$(wildcard dlls/second/*.cs)
 
 TEST_SUPPORT_FILES = \
-	CS0012-lib.dll CS0012-2-lib.dll CS0012-3-lib.dll CS0012-4-lib.dll CS0012-5-lib.dll CS0012-6-lib.dll CS0012-9-lib.dll CS0012-10-lib.dll CS0012-11-lib.dll CS0012-12-lib.dll CS0012-13-lib.dll CS0012-14-lib.dll CS0012-15-lib.dll CS0012-16-lib.dll CS0012-17-lib.dll CS0012-18-lib.dll CS0012-21-lib.dll CS0012-22-lib.dll CS0012-23-lib.dll CS0019-71-lib.dll CS0029-26-lib.dll \
+	CS0012-lib.dll CS0012-2-lib.dll CS0012-3-lib.dll CS0012-4-lib.dll CS0012-5-lib.dll CS0012-6-lib.dll CS0012-9-lib.dll CS0012-10-lib.dll CS0012-11-lib.dll CS0012-12-lib.dll CS0012-13-lib.dll CS0012-14-lib.dll CS0012-15-lib.dll CS0012-16-lib.dll CS0012-17-lib.dll CS0012-18-lib.dll CS0012-21-lib.dll CS0012-22-lib.dll CS0012-23-lib.dll CS0012-24-lib.dll CS0019-71-lib.dll CS0029-26-lib.dll \
 	CS0103-2-lib.dll CS0118-2-lib.dll CS0122-8-lib.dll CS0122-10-lib.dll CS0122-14-lib.dll CS0122-15-lib.dll CS0122-19-lib.dll CS0122-35-lib.dll CS0122-36-lib.dll CS0143-lib.dll CS0144-3-lib.dll CS0165-19-lib.dll \
 	CS0205-3-lib.dll CS0246-29-lib.dll CS0229-3-lib.dll CS0229-4-lib.dll CS0266-25-lib.dll \
 	CS0315-2-lib.dll \

mcs/errors/cs0012-24.cs

@@ -0,0 +1,11 @@
+// CS0012: The type `A0' is defined in an assembly that is not referenced. Consider adding a reference to assembly `cs0012-24-missing, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null'
+// Line: 9
+// Compiler options: -r:CS0012-24-lib.dll
+
+public class X
+{
+	public static void Main ()
+	{
+		A.Test ();
+	}
+}

mcs/errors/cs0021-5.cs

@@ -0,0 +1,12 @@
+// CS0021: Cannot apply indexing with [] to an expression of type `object'
+// Line: 9
+
+class C
+{
+	public static void Main ()
+	{
+		var d = new object {
+			["a"] = 1
+		};
+	}
+}

mcs/errors/cs0023-20.cs

@@ -0,0 +1,13 @@
+// CS0023: The `?' operator cannot be applied to operand of type `int'
+// Line: 11
+
+using System;
+
+class C
+{
+	static void Main()
+	{
+		int k = 0;
+		var r = k?.ToString ();
+	}
+}

mcs/errors/cs0023-21.cs

@@ -0,0 +1,12 @@
+// CS0023: The `?' operator cannot be applied to operand of type `int*'
+// Line: 10
+// Compiler options: -unsafe
+
+class C
+{
+	unsafe static void Main ()
+	{
+		int* arr = null;
+		var v2 = arr?.ToString ();
+	}
+}

mcs/errors/cs0023-22.cs

@@ -0,0 +1,10 @@
+// CS0023: The `?' operator cannot be applied to operand of type `null'
+// Line: 8
+
+class C
+{
+	static void Main ()
+	{
+		var res = null?[0];
+	}
+}

mcs/errors/cs0023-23.cs

@@ -0,0 +1,12 @@
+// CS0023: The `?' operator cannot be applied to operand of type `void'
+// Line: 10
+
+using System;
+
+class C
+{
+	static void Main ()
+	{
+		var v = Console.WriteLine ()?[0];
+	}
+}

mcs/errors/cs0023-24.cs

@@ -0,0 +1,11 @@
+// CS0023: The `?' operator cannot be applied to operand of type `int'
+// Line: 9
+
+public class C
+{
+	static void Main()
+	{
+		string s = null;
+		var x = s?.Length?.ToString ();
+	}
+}

mcs/errors/cs0111-10.cs

@@ -0,0 +1,16 @@
+// CS0111: A member `Test.EmptyClass.~EmptyClass()' is already defined. Rename this member or use different parameter types
+// Line: 12
+
+namespace Test
+{
+	public class EmptyClass
+	{
+		~EmptyClass ()
+		{
+		}
+
+		~EmptyClass ()
+		{
+		}
+	}
+}

mcs/errors/cs0163-2.cs

@@ -1,20 +0,0 @@
-// CS0163: Control cannot fall through from one case label `case 1:' to another
-// Line: 14
-
-using System;
-using System.Collections.Generic;
-
-static class C
-{
-	public static IEnumerable<int> Test (int key)
-	{
-		switch (key) {
-		case 1:
-			yield return 0;
-		case 2:
-			yield return 2;
-		default:
-			throw new ArgumentOutOfRangeException ("symbol:" + key);
-		}
-	}
-}

mcs/errors/cs0163.cs

@@ -1,23 +1,20 @@
-// CS0163: Control cannot fall through from one case label `case 3:' to another
-// Line: 21
+// CS0163: Control cannot fall through from one case label `case 1:' to another
+// Line: 14
 
-public class Foo
+using System;
+using System.Collections.Generic;
+
+static class C
 {
-	public static void Main()
+	public static IEnumerable<int> Test (int key)
 	{
-		int a=5;
-		int b=10;
-		int c;
-		
-		switch (a)
-		{
-			case 1: c=a+b;
-				return;
-
-			case 2: c=a-b;
-				return;
-
-			case 3: c=a*b;
+		switch (key) {
+		case 1:
+			yield return 0;
+		case 2:
+			yield return 2;
+		default:
+			throw new ArgumentOutOfRangeException ("symbol:" + key);
 		}
 	}
-}
+}

mcs/errors/cs0165-45.cs

@@ -0,0 +1,21 @@
+// CS0165: Use of unassigned local variable `v'
+// Line: 19
+
+using System;
+
+class X
+{
+	void Foo (out int value)
+	{
+		value = 1;
+	}
+
+	public static void Main ()
+	{
+		int v;
+		X x = null;
+
+		x?.Foo (out v);
+		Console.WriteLine (v);
+	}
+}

mcs/errors/cs0165-46.cs

@@ -0,0 +1,21 @@
+// CS0165: Use of unassigned local variable `a'
+// Line: 16
+
+class Test
+{
+	public static bool Foo (out int v)
+	{
+		v = 0;
+		return false;
+	}
+
+	static void Main()
+	{
+		int a;
+		bool b = false;
+		if ((b || Foo (out a)) && b)
+			return;
+		else
+			System.Console.WriteLine (a);
+	}
+}

mcs/errors/cs0165-47.cs

@@ -0,0 +1,21 @@
+// CS0165: Use of unassigned local variable `a'
+// Line: 17
+
+class Test
+{
+	public static bool Foo (out int v)
+	{
+		v = 0;
+		return false;
+	}
+
+	static void Main()
+	{
+		int a;
+		bool b = false;
+
+		if ((b && Foo (out a)) || b) {
+			System.Console.WriteLine (a);
+		}
+	}
+}

mcs/errors/cs0165-48.cs

@@ -0,0 +1,24 @@
+// CS0165: Use of unassigned local variable `v'
+// Line: 19
+
+using System;
+
+class X
+{
+	int this [int v] {
+		get {
+			return 1;
+		}
+		set {			
+		}
+	}
+
+	public static void Main ()
+	{
+		int v;
+		X x = null;
+
+		var r = x?[v = 2];
+		Console.WriteLine (v);
+	}
+}

mcs/errors/cs0165-49.cs

@@ -0,0 +1,22 @@
+// CS0165: Use of unassigned local variable `a'
+// Line: 14
+
+class C
+{
+	static void Main ()
+	{
+		bool x = true, y = true, z = true;
+
+		int a;
+		if (x ? y : (z || Foo (out a)))
+			System.Console.WriteLine (z);
+		else
+			System.Console.WriteLine (a);
+	}
+
+	static bool Foo (out int f)
+	{
+		f = 1;
+		return true;
+	}
+}

mcs/errors/cs0171-7.cs

@@ -0,0 +1,18 @@
+// CS0171: Field `S1.s2' must be fully assigned before control leaves the constructor
+// Line: 11
+
+using System;
+
+struct S1
+{
+	S2 s2;
+
+	public S1 (int arg)
+	{
+	}
+}
+
+struct S2
+{
+	int field;
+}

mcs/errors/cs0426-4.cs

@@ -0,0 +1,12 @@
+// CS0426: The nested type `WriteLINE' does not exist in the type `System.Console'
+// Line: 10
+
+using System;
+
+public class Test
+{
+	public static void Main ()
+	{
+		var x = nameof (Console.WriteLINE);
+	}
+}

mcs/errors/cs0429-5.cs

@@ -0,0 +1,26 @@
+// CS0429: Unreachable expression code detected
+// Line: 24
+// Compiler options: -warnaserror
+
+using System;
+
+struct S
+{
+}
+
+class C
+{
+	public static implicit operator S (C c)
+	{
+		return new S ();
+	}
+}
+
+class Program
+{
+	static void Main ()
+	{
+		C c = new C ();
+		Console.WriteLine (c ?? new S ());
+	}
+}