Yul parser hack and more yul tests.

libyul/AsmParser.cpp

@@ -325,6 +325,7 @@ Parser::ElementaryOperation Parser::parseElementaryOperation()
 	case Token::Bool:
 	case Token::Address:
 	case Token::Var:
+	case Token::In:
 	{
 		YulString literal{currentLiteral()};
 		if (m_dialect.builtin(literal))
@@ -515,6 +516,7 @@ YulString Parser::expectAsmIdentifier()
 	case Token::Bool:
 	case Token::Identifier:
 	case Token::Var:
+	case Token::In:
 		break;
 	default:
 		expectToken(Token::Identifier);

test/libsolidity/semanticTests/array/function_memory_array.sol

@@ -30,7 +30,8 @@ contract C {
         return arr[i](x);
     }
 }
-
+// ====
+// compileViaYul: also
 // ----
 // test(uint256,uint256): 10, 0 -> 11
 // test(uint256,uint256): 10, 1 -> 12

test/libsolidity/semanticTests/cleanup/cleanup_bytes_types_shortening.sol

@@ -10,6 +10,7 @@ contract C {
         require(y == bytes2(0xffff));
     }
 }
-
+// ====
+// compileViaYul: also
 // ----
 // f() -> "\xff\xff\xff\xff"

test/libsolidity/semanticTests/reverts/invalid_enum_compared.sol

@@ -22,7 +22,8 @@ contract C {
         return garbled != garbled;
     }
 }
-
+// ====
+// compileViaYul: also
 // ----
 // test_eq_ok() -> 1
 // test_eq() -> FAILURE # both should throw #