Lint response

Author: CyrusNajmabadi

src/Compilers/CSharp/Portable/Parser/LanguageParser_Patterns.cs

@@ -47,7 +47,7 @@ when ConvertExpressionToType(expr, out var leftType):
                 default:
                     type = null;
                     return false;
-            };
+            }
         }
 
         private PatternSyntax ParsePattern(Precedence precedence, bool afterIs = false, bool inSwitchArmPattern = false)

src/Compilers/CSharp/Portable/Parser/Lexer_RawStringLiteral.cs

@@ -117,7 +117,7 @@ private void ScanRawStringLiteral(ref TokenInfo info, bool inDirective)
 
                     default:
                         throw ExceptionUtilities.UnexpectedValue(info.Kind);
-                };
+                }
             }
 
             info.Text = TextWindow.GetText(intern: true);