diff --git a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2TemplateTests.java b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2TemplateTests.java
index 7ec52522513..995369058a8 100644
--- a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2TemplateTests.java
+++ b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2TemplateTests.java
@@ -7195,6 +7195,19 @@ public class AST2TemplateTests extends AST2TestBase {
 		parseAndCheckBindings();
 	}
 	
+	//	template <typename T>
+	//	struct waldo {
+	//	    typedef int type;
+	//	};
+	//
+	//	template <typename R>
+	//	struct waldo<R (...)>;
+	//
+	//	typedef waldo<int ()>::type Type;
+	public void testPartialSpecializationForVarargFunctionType_402807() throws Exception {
+		parseAndCheckBindings();
+	}
+	
 	//	template <typename>
 	//	struct meta {
 	//	    static const bool value = 1;
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/TemplateArgumentDeduction.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/TemplateArgumentDeduction.java
index f03403601e6..6dd0f7bb428 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/TemplateArgumentDeduction.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/TemplateArgumentDeduction.java
@@ -922,7 +922,7 @@ public class TemplateArgumentDeduction {
 
 	private boolean fromFunctionType(ICPPFunctionType ftp, ICPPFunctionType fta, IASTNode point)
 			throws DOMException {
-		if (ftp.isConst() != fta.isConst() || ftp.isVolatile() != fta.isVolatile())
+		if (ftp.isConst() != fta.isConst() || ftp.isVolatile() != fta.isVolatile() || ftp.takesVarArgs() != fta.takesVarArgs())
 			return false;
 		
 		if (!fromType(ftp.getReturnType(), fta.getReturnType(), false, point))