diff --git a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexCPPTemplateResolutionTest.java b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexCPPTemplateResolutionTest.java
index d120fe295c8..52c92bd0d77 100644
--- a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexCPPTemplateResolutionTest.java
+++ b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexCPPTemplateResolutionTest.java
@@ -645,4 +645,18 @@ public class IndexCPPTemplateResolutionTest extends IndexBindingResolutionTestBa
 		IBinding b5 = getBindingFromASTName("left(a,b)", 4);
 		IBinding b6 = getBindingFromASTName("left(a,b)", 4);
 	}
+	
+	// class A {};
+	// template<typename T1, typename T2> class D {};
+	// template<typename X1> class D<X1,X1> {};
+	
+	// D<A,A> daa;
+	public void testClassPartialSpecializations_199572() throws Exception {
+		IBinding b0= getBindingFromASTName("D<A,A>", 6);
+		assertInstance(b0, ICPPTemplateInstance.class);
+		assertInstance(b0, ICPPClassType.class);
+		IBinding b1= getBindingFromASTName("D<A,A>", 1);
+		assertInstance(b1, ICPPTemplateDefinition.class);
+		assertInstance(b1, ICPPClassType.class);
+	}
 }
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/cpp/CompositeCPPClassTemplatePartialSpecialization.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/cpp/CompositeCPPClassTemplatePartialSpecialization.java
index b03eb219a05..1d080110311 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/cpp/CompositeCPPClassTemplatePartialSpecialization.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/cpp/CompositeCPPClassTemplatePartialSpecialization.java
@@ -33,8 +33,9 @@ public class CompositeCPPClassTemplatePartialSpecialization extends CompositeCPP
 		return (ICPPClassTemplate) cf.getCompositeBinding((IIndexFragmentBinding)preresult);
 	}
 
-	public IType[] getArguments() { return TemplateInstanceUtil.getArguments(cf, (ICPPClassTemplatePartialSpecialization) rbinding);	}
+	public IType[] getArguments() { return TemplateInstanceUtil.getArguments(cf, (ICPPClassTemplatePartialSpecialization) rbinding); }
 	public ObjectMap getArgumentMap() {	return TemplateInstanceUtil.getArgumentMap(cf, rbinding); }
 	public IBinding getSpecializedBinding() { return TemplateInstanceUtil.getSpecializedBinding(cf, rbinding); }
 	public int getSignatureMemento() throws CoreException { return ((IPDOMOverloader) rbinding).getSignatureMemento(); }
+	public IBinding instantiate(IType[] args) { return InternalTemplateInstantiatorUtil.instantiate(args, cf, rbinding); }
 }