Fixes FX assemblies unification with different build and revision versions.

This happens for PCL assemblies like System.Runtime which already exists in
versions 4.0.0.0, 4.0.10.0, 4.0.20.0

1 files changed, 6 insertions, 4 deletions

diff --git a/reflect/Fusion.cs b/reflect/Fusion.cs
index bc083239..c4bef4a7 100644
--- a/reflect/Fusion.cs
+++ b/reflect/Fusion.cs
@@ -219,15 +219,17 @@ namespace IKVM.Reflection
 			}
 
 			bool fxUnified = false;
-			bool versionMatch = version1 == version2;
+
+			// build and revision numbers are ignored
+			bool fxVersionMatch = version1.Major == version2.Major && version1.Minor == version2.Minor;
 			if (IsFrameworkAssembly(name1))
 			{
-				fxUnified |= !versionMatch;
+				fxUnified |= !fxVersionMatch;
 				version1 = FrameworkVersion;
 			}
 			if (IsFrameworkAssembly(name2) && version2 < FrameworkVersionNext)
 			{
-				fxUnified |= !versionMatch;
+				fxUnified |= !fxVersionMatch;
 				version2 = FrameworkVersion;
 			}
 
@@ -274,7 +276,7 @@ namespace IKVM.Reflection
 						return false;
 					}
 				}
-				else if (!versionMatch || fxUnified)
+				else if (fxUnified || version1 != version2)
 				{
 					result = partial ? AssemblyComparisonResult.EquivalentPartialFXUnified : AssemblyComparisonResult.EquivalentFXUnified;
 					return true;