Fix LoadFromAssemblyName to invoke fallback context (analogous to static assembly loads within the context)

1 files changed, 22 insertions, 2 deletions

diff --git a/src/vm/assemblyspec.hpp b/src/vm/assemblyspec.hpp
index 84e67dfcc2..a7e9c0f203 100644
--- a/src/vm/assemblyspec.hpp
+++ b/src/vm/assemblyspec.hpp
@@ -45,6 +45,9 @@ class AssemblySpec  : public BaseAssemblySpec
 #if defined(FEATURE_HOST_ASSEMBLY_RESOLVER)
     // Contains the reference to the fallback load context associated with RefEmitted assembly requesting the load of another assembly (static or dynamic)
     ICLRPrivBinder *m_pFallbackLoadContextBinder;
+
+    // Flag to indicate if we should prefer the fallback load context binder for binding or not.
+    bool m_fPreferFallbackLoadContextBinder;
 #endif // defined(FEATURE_HOST_ASSEMBLY_RESOLVER)
 
     BOOL IsValidAssemblyName();
@@ -74,7 +77,8 @@ class AssemblySpec  : public BaseAssemblySpec
         m_pParentAssembly = NULL;
 
 #if defined(FEATURE_HOST_ASSEMBLY_RESOLVER)
-        m_pFallbackLoadContextBinder = NULL;        
+        m_pFallbackLoadContextBinder = NULL;     
+        m_fPreferFallbackLoadContextBinder = false;   
 #endif // defined(FEATURE_HOST_ASSEMBLY_RESOLVER)
 
     }
@@ -86,7 +90,8 @@ class AssemblySpec  : public BaseAssemblySpec
         m_pParentAssembly = NULL;
 
 #if defined(FEATURE_HOST_ASSEMBLY_RESOLVER)
-        m_pFallbackLoadContextBinder = NULL;        
+        m_pFallbackLoadContextBinder = NULL;
+        m_fPreferFallbackLoadContextBinder = false;        
 #endif // defined(FEATURE_HOST_ASSEMBLY_RESOLVER)
 
     }
@@ -187,6 +192,20 @@ class AssemblySpec  : public BaseAssemblySpec
 
         return m_pFallbackLoadContextBinder;
     }
+
+    void SetPreferFallbackLoadContextBinder()
+    {
+        LIMITED_METHOD_CONTRACT;
+
+        m_fPreferFallbackLoadContextBinder = true;
+    }
+
+    bool GetPreferFallbackLoadContextBinder()
+    {
+        LIMITED_METHOD_CONTRACT;
+
+        return m_fPreferFallbackLoadContextBinder;
+    }
 #endif // defined(FEATURE_HOST_ASSEMBLY_RESOLVER)
 
     // Note that this method does not clone the fields!
@@ -208,6 +227,7 @@ class AssemblySpec  : public BaseAssemblySpec
 #if defined(FEATURE_HOST_ASSEMBLY_RESOLVER)
         // Copy the details of the fallback load context binder
         SetFallbackLoadContextBinderForRequestingAssembly(pSource->GetFallbackLoadContextBinderForRequestingAssembly());
+        m_fPreferFallbackLoadContextBinder = pSource->GetPreferFallbackLoadContextBinder();
 #endif // defined(FEATURE_HOST_ASSEMBLY_RESOLVER)
 
         m_HashForControl = pSource->m_HashForControl;