Imported Upstream version 5.12.0.220

Former-commit-id: c477e03582759447177c6d4bf412cd2355aad476

mcs/errors/cs0151-4.cs

@@ -1,5 +1,6 @@
 // CS0151: A switch expression of type `S1?' cannot be converted to an integral type, bool, char, string, enum or nullable type
-// Line: 24
+// Line: 25
+// Compiler options: -langversion:5
 
 using System;
 

mcs/errors/cs0273-2.cs

@@ -0,0 +1,9 @@
+// CS0273: The accessibility modifier of the `C.S2.set' accessor must be more restrictive than the modifier of the property or indexer `C.S2'
+// Line: 7
+// Compiler options: -langversion:7.2
+
+ class C
+ {
+	private string S2 { get; private protected set; }
+ }
+

mcs/errors/cs1013-1.cs

@@ -0,0 +1,8 @@
+// CS1013: Invalid number
+// Line : 6
+
+class X
+{
+    static int i = 0b;
+    static void Main () {}
+}

mcs/errors/cs1013-2.cs

@@ -0,0 +1,7 @@
+// CS1013: Invalid number
+// Line : 6
+
+class X
+{
+    static int i = 0x0_;
+}

mcs/errors/cs1021-4.cs

@@ -0,0 +1,8 @@
+// CS1021: Integral constant is too large
+// Line: 6
+
+class X {
+	public static void Main() {
+		int h = 0b11111111111111111111111111111111111111111111111111111111111111111;
+	}
+}

mcs/errors/cs1061-18.cs

@@ -0,0 +1,10 @@
+// CS1061: Type `int' does not contain a definition for `__0' and no extension method `__0' of type `int' could be found. Are you missing an assembly reference?
+// Line: 8
+
+static class C
+{
+	static void Main ()
+	{
+		int c = 0.__0;
+	}
+}

mcs/errors/cs1527-2.cs

@@ -1,4 +1,4 @@
-// CS1527: Namespace elements cannot be explicitly declared as private, protected or protected internal
+// CS1527: Namespace elements cannot be explicitly declared as private, protected, protected internal, or private protected
 // Line: 4
 
 protected interface IFoo {

mcs/errors/cs1527-3.cs

@@ -1,4 +1,4 @@
-// CS1527: Namespace elements cannot be explicitly declared as private, protected or protected internal
+// CS1527: Namespace elements cannot be explicitly declared as private, protected, protected internal, or private protected
 // Line: 4
 
 protected internal enum E {

mcs/errors/cs1527.cs

@@ -1,4 +1,5 @@
-// CS1527: Namespace elements cannot be explicitly declared as private, protected or protected internal
-// Line:
+// CS1527: Namespace elements cannot be explicitly declared as private, protected, protected internal, or private protected
+// Line: 4
+
 private class X {
 }

mcs/errors/cs1644-61.cs

@@ -0,0 +1,11 @@
+// CS1644: Feature `digit separators' cannot be used because it is not part of the C# 6.0 language specification
+// Line: 9
+// Compiler options: -langversion:6
+
+class X
+{
+	int Test ()
+	{
+		var i = 1_0;
+	}
+}

mcs/errors/cs1644-62.cs

@@ -0,0 +1,10 @@
+// CS1644: Feature `private protected' cannot be used because it is not part of the C# 6.0 language specification
+// Line: 7
+// Compiler options: -langversion:6
+
+class C
+{
+	private protected enum E
+	{
+	}
+}

mcs/errors/cs1763-2.cs

@@ -1,4 +1,4 @@
-// CS1763: Optional parameter `o' of type `object' can only be initialized with `null'
+// CS1763: Optional parameter `o' of type `object' can only be initialized with default value
 // Line: 6
 
 class C

mcs/errors/cs1763.cs

@@ -1,4 +1,4 @@
-// CS1763: Optional parameter `o' of type `object' can only be initialized with `null'
+// CS1763: Optional parameter `o' of type `object' can only be initialized with default value
 // Line: 6
 
 class C

mcs/errors/cs8326.cs

@@ -0,0 +1,13 @@
+// CS8326: Both ref conditional operators must be ref values
+// Line: 11
+
+class Program
+{
+	static int x, y;
+
+	public static void Main ()
+	{
+		bool b = false;
+		ref int targetBucket = ref b ? x : y;
+	}
+}

mcs/errors/cs8327.cs

@@ -0,0 +1,14 @@
+// CS8327: The ref conditional expression types `int' and `byte' have to match
+// Line: 12
+
+class Program
+{
+	static int x;
+	static byte y;
+
+	public static void Main ()
+	{
+		bool b = false;
+		ref int targetBucket = ref b ? ref x : ref y;
+	}
+}

mcs/errors/known-issues-net_4_x

@@ -14,6 +14,9 @@
 # Parser problems
 cs0080.cs 
 
+# Undocumented switch governing rules
+cs0151-4.cs NO ERROR
+
 # Operators
 cs0457-2.cs
 cs0457.cs