Add type().min/max for enums

test/libsolidity/semanticTests/enums/minmax.sol

@@ -0,0 +1,12 @@
+contract test {
+	enum MinMax { A, B, C, D }
+
+	function min() public returns(uint) { return uint(type(MinMax).min); }
+	function max() public returns(uint) { return uint(type(MinMax).max); }
+}
+
+// ====
+// compileViaYul: also
+// ----
+// min() -> 0
+// max() -> 3

test/libsolidity/syntaxTests/array/concat/bytes_concat_on_type_info.sol

@@ -5,4 +5,4 @@ contract C {
     }
 }
 // ----
-// TypeError 4259: (93-98): Invalid type for argument in the function call. A contract type or an integer type is required, but type(bytes) provided.
+// TypeError 4259: (93-98): Invalid type for argument in the function call. An enum type, contract type or an integer type is required, but type(bytes) provided.

test/libsolidity/syntaxTests/metaTypes/codeAccess_super.sol

@@ -10,4 +10,4 @@ contract SuperTest is Other {
 	}
 }
 // ----
-// TypeError 4259: (177-182): Invalid type for argument in the function call. A contract type or an integer type is required, but type(contract super SuperTest) provided.
+// TypeError 4259: (177-182): Invalid type for argument in the function call. An enum type, contract type or an integer type is required, but type(contract super SuperTest) provided.

test/libsolidity/syntaxTests/metaTypes/interfaceid_super.sol

@@ -14,4 +14,4 @@ abstract contract Test is ERC165 {
     }
 }
 // ----
-// TypeError 4259: (592-597): Invalid type for argument in the function call. A contract type or an integer type is required, but type(contract super Test) provided.
+// TypeError 4259: (592-597): Invalid type for argument in the function call. An enum type, contract type or an integer type is required, but type(contract super Test) provided.

test/libsolidity/syntaxTests/metaTypes/super_name.sol

@@ -50,4 +50,4 @@ contract D is B, C {
     }
 }
 // ----
-// TypeError 4259: (426-431): Invalid type for argument in the function call. A contract type or an integer type is required, but type(contract super B) provided.
+// TypeError 4259: (426-431): Invalid type for argument in the function call. An enum type, contract type or an integer type is required, but type(contract super B) provided.

test/libsolidity/syntaxTests/metaTypes/typeRecursive.sol

@@ -4,4 +4,4 @@ contract Test {
     }
 }
 // ----
-// TypeError 4259: (65-75): Invalid type for argument in the function call. A contract type or an integer type is required, but type(contract Test) provided.
+// TypeError 4259: (65-75): Invalid type for argument in the function call. An enum type, contract type or an integer type is required, but type(contract Test) provided.

test/libsolidity/syntaxTests/metaTypes/unsupportedArgForType.sol

@@ -6,4 +6,4 @@ contract Test {
     }
 }
 // ----
-// TypeError 4259: (154-155): Invalid type for argument in the function call. A contract type or an integer type is required, but type(struct Test.S) provided.
+// TypeError 4259: (154-155): Invalid type for argument in the function call. An enum type, contract type or an integer type is required, but type(struct Test.S) provided.

test/libsolidity/syntaxTests/tryCatch/no_special.sol

@@ -14,4 +14,4 @@ contract C {
 // ----
 // TypeError 5347: (72-76): Try can only be used with external function calls and contract creation calls.
 // TypeError 2536: (119-128): Try can only be used with external function calls and contract creation calls.
-// TypeError 4259: (176-183): Invalid type for argument in the function call. A contract type or an integer type is required, but type(address) provided.
+// TypeError 4259: (176-183): Invalid type for argument in the function call. An enum type, contract type or an integer type is required, but type(address) provided.