Fix not excluded branchpoints in async state machine (#1745)

* init

* update changelog + bump sdk

Author: daveMueller

Documentation/Changelog.md

@@ -7,10 +7,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## Unreleased
 
 ### Fixed
-- use `<TargetFramework>netstandard2.0</TargetFramework>` for _coverlet.collector_ and _coverlet.msbuild.tasks_ Packages´
+- Fix branchpoint exclusion for sdk 8.0.407 [#1741](https://github.com/coverlet-coverage/coverlet/issues/1741)
+- Use `<TargetFramework>netstandard2.0</TargetFramework>` for _coverlet.collector_ and _coverlet.msbuild.tasks_ Packages´
 
 ### Improvements
-- use [xunit.v3](https://xunit.net/docs/getting-started/v3/whats-new) for tests and example code
+- Use [xunit.v3](https://xunit.net/docs/getting-started/v3/whats-new) for tests and example code
 
 
 ## Release date 2024-01-20

global.json

@@ -1,5 +1,5 @@
 {
     "sdk": {
-        "version": "8.0.113"
+        "version": "8.0.407"
     }
 }

src/coverlet.core/Symbols/CecilSymbolHelper.cs

@@ -7,6 +7,7 @@
 using System.Linq;
 using System.Runtime.CompilerServices;
 using System.Text.RegularExpressions;
+using System.Threading.Tasks;
 using Coverlet.Core.Abstractions;
 using Coverlet.Core.Extensions;
 
@@ -733,7 +734,7 @@ static bool CheckForSkipDisposal(List<Instruction> instructions, Instruction ins
                 field.Equals(reloadedField) &&
                 instructions[i + 1].OpCode == OpCodes.Callvirt &&
                 instructions[i + 1].Operand is MethodReference method &&
-                method.DeclaringType.FullName == "System.IAsyncDisposable" &&
+                method.ReturnType.FullName == typeof(ValueTask).FullName &&
                 method.Name == "DisposeAsync")
             {
               isFollowedByDisposeAsync = true;
@@ -755,7 +756,7 @@ static bool CheckForSkipDisposal(List<Instruction> instructions, Instruction ins
                   instructions[currentIndex - 1].OpCode == OpCodes.Ldloc_3) &&
                  instructions[currentIndex + 2].OpCode == OpCodes.Callvirt &&
                  instructions[currentIndex + 2].Operand is MethodReference method &&
-                 method.DeclaringType.FullName == "System.IAsyncDisposable" &&
+                 method.ReturnType.FullName == typeof(ValueTask).FullName &&
                  method.Name == "DisposeAsync")
         {
           isFollowedByDisposeAsync = true;