Respond to PR comments

dotnet · Apr 25, 2019 · a0bf84b · a0bf84b
1 parent b668661
commit a0bf84b
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/Compilers/CSharp/Portable/Binder/Binder_Patterns.cs b/src/Compilers/CSharp/Portable/Binder/Binder_Patterns.cs
@@ -188,7 +188,8 @@ internal BoundExpression ConvertPatternExpression(
             if (inputType.ContainsTypeParameter())
             {
                 convertedExpression = expression;
-                if (!hasErrors && expression.ConstantValue is {})
+                // If the expression does not have a constant value, an error will be reported in the caller
+                if (!hasErrors && expression.ConstantValue is object)
                 {
                     HashSet<DiagnosticInfo> useSiteDiagnostics = null;
                     if (expression.ConstantValue == ConstantValue.Null)