diff --git a/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/selection/CPPSelectionTestsNoIndexer.java b/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/selection/CPPSelectionTestsNoIndexer.java
index 1b23c6128ae..7bd7c2e3871 100644
--- a/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/selection/CPPSelectionTestsNoIndexer.java
+++ b/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/selection/CPPSelectionTestsNoIndexer.java
@@ -449,7 +449,7 @@ public class CPPSelectionTestsNoIndexer extends BaseUITestCase {
         assertEquals(((ASTNode)decl).getLength(), 1);
 	}
 	
-	public void _testBug86829B() throws Exception {
+	public void testBug86829B() throws Exception {
         StringBuffer buffer = new StringBuffer();
         buffer.append("class X {\n"); //$NON-NLS-1$
         buffer.append("public:\n"); //$NON-NLS-1$
@@ -459,8 +459,10 @@ public class CPPSelectionTestsNoIndexer extends BaseUITestCase {
         buffer.append("public:\n"); //$NON-NLS-1$
         buffer.append("operator X();\n"); //$NON-NLS-1$
         buffer.append("};\n"); //$NON-NLS-1$
+        buffer.append("void test() {\n");
         buffer.append("Y a;\n"); //$NON-NLS-1$
         buffer.append("int c = X(a); // OK: a.operator X().operator int()\n"); //$NON-NLS-1$
+        buffer.append("}\n"); //$NON-NLS-1$
 		
         String code = buffer.toString();
         IFile file = importFile("testBug86829B.cpp", code); //$NON-NLS-1$
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/actions/OpenDeclarationsAction.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/actions/OpenDeclarationsAction.java
index 36ed13075b5..2dabaf23899 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/actions/OpenDeclarationsAction.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/actions/OpenDeclarationsAction.java
@@ -26,6 +26,7 @@ import org.eclipse.swt.widgets.Display;
 
 import org.eclipse.cdt.core.CCorePlugin;
 import org.eclipse.cdt.core.dom.IName;
+import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IASTFileLocation;
 import org.eclipse.cdt.core.dom.ast.IASTName;
 import org.eclipse.cdt.core.dom.ast.IASTPreprocessorIncludeStatement;
@@ -33,6 +34,7 @@ import org.eclipse.cdt.core.dom.ast.IASTPreprocessorStatement;
 import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit;
 import org.eclipse.cdt.core.dom.ast.IBinding;
 import org.eclipse.cdt.core.dom.ast.IProblemBinding;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPMethod;
 import org.eclipse.cdt.core.index.IIndex;
 import org.eclipse.cdt.core.index.IIndexManager;
 import org.eclipse.cdt.core.model.IWorkingCopy;
@@ -95,17 +97,23 @@ public class OpenDeclarationsAction extends SelectionParseAction {
 						boolean isDefinition= searchName.isDefinition();
 						IBinding binding = searchName.resolveBinding();
 						if (binding != null && !(binding instanceof IProblemBinding)) {
-							// 1. Try definition
-							IName[] declNames= isDefinition ?
-									findDeclarations(index, ast, binding) :
-									findDefinitions(index, ast, binding);
-							
+							IName[] declNames = findNames(index, ast, isDefinition, binding);
 							if (declNames.length == 0) {
-								declNames= isDefinition ?
-										findDefinitions(index, ast, binding) :
-										findDeclarations(index, ast, binding);
+								// bug 86829, handle implicit methods.
+								if (binding instanceof ICPPMethod) {
+									ICPPMethod method= (ICPPMethod) binding;
+									if (method.isImplicit()) {
+										try {
+											IBinding clsBinding= method.getClassOwner();
+											if (clsBinding != null && !(clsBinding instanceof IProblemBinding)) {
+												declNames= findNames(index, ast, false, clsBinding);
+											}
+										} catch (DOMException e) {
+											CCorePlugin.log(e);
+										}
+									}
+								}
 							}
-
 							for (int i = 0; i < declNames.length; i++) {
 								IASTFileLocation fileloc = declNames[i].getFileLocation();
 								if (fileloc != null) {
@@ -183,6 +191,20 @@ public class OpenDeclarationsAction extends SelectionParseAction {
 			}
 		}
 
+		private IName[] findNames(IIndex index, IASTTranslationUnit ast,
+				boolean isDefinition, IBinding binding) throws CoreException {
+			IName[] declNames= isDefinition ?
+					findDeclarations(index, ast, binding) :
+					findDefinitions(index, ast, binding);
+			
+			if (declNames.length == 0) {
+				declNames= isDefinition ?
+						findDefinitions(index, ast, binding) :
+						findDeclarations(index, ast, binding);
+			}
+			return declNames;
+		}
+
 		private IName[] findDefinitions(IIndex index, IASTTranslationUnit ast,
 				IBinding binding) throws CoreException {
 			IName[] declNames= ast.getDefinitionsInAST(binding);