diff --git a/src/coreclr/vm/readytoruninfo.cpp b/src/coreclr/vm/readytoruninfo.cpp
index a6eb8e6e742e16..5586a9db94202a 100644
--- a/src/coreclr/vm/readytoruninfo.cpp
+++ b/src/coreclr/vm/readytoruninfo.cpp
@@ -1281,6 +1281,14 @@ PCODE ReadyToRunInfo::GetEntryPoint(MethodDesc * pMD, PrepareCodeConfig* pConfig
     if (ReadyToRunCodeDisabled())
         goto done;
 
+    // Return-dropping async thunks are VM-synthesized. They share the same metadata
+    // token and signature shape as a regular async variant, so the R2R lookup below
+    // would incorrectly bind the thunk to the non-thunk's compiled code and bypass
+    // the virtual dispatch the thunk performs. Crossgen2 does not emit R2R code for
+    // these thunks; fall back to transient IL generation in the prestub.
+    if (pMD->IsReturnDroppingThunk())
+        goto done;
+
     ETW::MethodLog::GetR2RGetEntryPointStart(pMD);
 
     uint offset;
diff --git a/src/tests/async/covariant-return/covariant-returns.csproj b/src/tests/async/covariant-return/covariant-returns.csproj
index 5610ae90aa882c..7548a677889c52 100644
--- a/src/tests/async/covariant-return/covariant-returns.csproj
+++ b/src/tests/async/covariant-return/covariant-returns.csproj
@@ -1,8 +1,4 @@
 <Project Sdk="Microsoft.NET.Sdk">
-  <PropertyGroup>
-    <!-- https://github.com/dotnet/runtime/issues/126755 -->
-    <CrossGenTest>false</CrossGenTest>
-  </PropertyGroup>
   <ItemGroup>
     <Compile Include="$(MSBuildProjectName).cs" />
     <ProjectReference Include="$(TestLibraryProjectPath)" />