Version Used:
commit 27654b066e600a350706a13ebd67d1da542c1a7b
Merge: 436d17816f6 0c9f90368a5
Author: msftbot[bot] <48340428+msftbot[bot]@users.noreply.github.com>
Date: Thu May 7 05:33:48 2020 +0000
Merge pull request #44029 from dotnet/merges/release/dev16.7-preview1-to-master
Merge release/dev16.7-preview1 to master
Steps to Reproduce:
Compile and run the following code
using System;
using System.Collections.Generic;
using System.Linq;
#nullable enable
public class D
{
public static void Main()
{
IEnumerable<string> e = new string[0];
Func<string> f = e.FirstOrDefault;
f().ToString();
}
}Expected Behavior:
Warning for conversion Func<string> f = e.FirstOrDefault because FirstOrDefault uses [return: MaybeNull] annotation
Actual Behavior:
No warnings. The code crashes at runtime with a NullReferenceException
Version Used:
Steps to Reproduce:
Compile and run the following code
Expected Behavior:
Warning for conversion
Func<string> f = e.FirstOrDefaultbecauseFirstOrDefaultuses[return: MaybeNull]annotationActual Behavior:
No warnings. The code crashes at runtime with a
NullReferenceException