diff --git a/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/refactoring/includes/BindingClassifierTest.java b/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/refactoring/includes/BindingClassifierTest.java
index 7856214bbeb..e8019f0970c 100644
--- a/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/refactoring/includes/BindingClassifierTest.java
+++ b/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/refactoring/includes/BindingClassifierTest.java
@@ -419,6 +419,18 @@ public class BindingClassifierTest extends OneSourceMultipleHeadersTestCase {
 		assertDeclared("A", "B");
 	}
 
+	//	class A {};
+	//	class B : public A {};
+	//	extern A* a;
+	//	extern B* b;
+
+	//	void test() {
+	//	  a = { b };
+	//	}
+	public void testInitializerList_506529() throws Exception {
+		assertDefined("B", "a", "b");
+	}
+
 	//	namespace ns1 {
 	//	namespace ns2 {
 	//	class A {};
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/includes/BindingClassifier.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/includes/BindingClassifier.java
index 49fb6bb63ee..7e189b61fab 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/includes/BindingClassifier.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/includes/BindingClassifier.java
@@ -90,6 +90,7 @@ import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTCompositeTypeSpecifier.ICPPASTBas
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTConstructorChainInitializer;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTConstructorInitializer;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTDeleteExpression;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTInitializerList;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTLambdaExpression;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTNameSpecifier;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTNamedTypeSpecifier;
@@ -641,7 +642,26 @@ public class BindingClassifier {
 				}
 
 				IType operand1Type = binaryExpression.getOperand1().getExpressionType();
-				IType operand2Type = binaryExpression.getOperand2().getExpressionType();
+				IASTInitializerClause operand2 = binaryExpression.getInitOperand2();
+				IType operand2Type;
+				if (operand2 instanceof IASTExpression) {
+					operand2Type = ((IASTExpression) operand2).getExpressionType();
+				} else if (operand2 instanceof ICPPASTInitializerList) {
+					ICPPASTInitializerList initializerList = (ICPPASTInitializerList) operand2;
+					if (binaryExpression.getOperator() == IASTBinaryExpression.op_assign
+							&& initializerList.getSize() == 1) {
+						IASTInitializerClause element = initializerList.getClauses()[0];
+						if (element instanceof IASTExpression) {
+							operand2Type = ((IASTExpression) element).getExpressionType();
+						} else {
+							operand2Type = initializerList.getEvaluation().getType(operand2);
+						}
+					} else {
+						operand2Type = initializerList.getEvaluation().getType(operand2);
+					}
+				} else {
+					operand2Type = operand1Type;
+				}
 
 				boolean expression1DefinitionRequired = true;
 				boolean expression2DefinitionRequired = true;
@@ -664,8 +684,7 @@ public class BindingClassifier {
 				case IASTBinaryExpression.op_greaterThan:
 				case IASTBinaryExpression.op_lessEqual:
 				case IASTBinaryExpression.op_lessThan:
-					// If both operands are identical pointer types, then they don't need to be
-					// defined.
+					// If both operands are identical pointer types, then they don't need to be defined.
 					if (operand1Type instanceof IPointerType && operand2Type instanceof IPointerType) {
 						if (!isTypeDefinitionRequiredForConversion(operand2Type, operand1Type)) {
 							expression1DefinitionRequired = false;