Lambdas in a method marked ExcludeForCodeCoverage are showing up in report

Issue: Code that is in a function that has the [ExcludeFromCodeCoverage] attribute but contains a lambda is getting picked up in the coverage when it should not be due to the attribute.

Toolset:

• .NET Core: 3.1
• Coverlet.Collector: 1.2.0
• ReportGenerator: 4.4.6
• Command: dotnet test --collect:"XPlat Code Coverage" --settings code-coverage.runsettings

code-coverage.runsettings

<?xml version="1.0" encoding="utf-8" ?>
<RunSettings>
  <DataCollectionRunSettings>
    <DataCollectors>
      <DataCollector friendlyName="XPlat code coverage">
        <Configuration>
          <ExcludeByAttribute>Obsolete,GeneratedCodeAttribute,CompilerGeneratedAttribute,ExcludeFromCodeCoverageAttribute</ExcludeByAttribute>
          <SingleHit>false</SingleHit>
          <UseSourceLink>true</UseSourceLink>
        </Configuration>
      </DataCollector>
    </DataCollectors>
  </DataCollectionRunSettings>
</RunSettings>

[acgritt]

The nightly build does fix the issue.

[MarcoRossignoli]

We should release at end of month https://github.com/tonerdo/coverlet/blob/master/Documentation/ReleasePlan.md#release-calendar