### Eclipse Workspace Patch 1.0
#P org.eclipse.jdt.core
Index: model/org/eclipse/jdt/internal/core/BinaryMethod.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/model/org/eclipse/jdt/internal/core/BinaryMethod.java,v
retrieving revision 1.106
diff -u -r1.106 BinaryMethod.java
--- model/org/eclipse/jdt/internal/core/BinaryMethod.java	28 Jun 2010 13:07:11 -0000	1.106
+++ model/org/eclipse/jdt/internal/core/BinaryMethod.java	4 Aug 2010 21:38:35 -0000
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2009 IBM Corporation and others.
+ * Copyright (c) 2000, 2010 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -183,8 +183,15 @@
 	IBinaryMethod info = (IBinaryMethod) getElementInfo();
 	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=316937
 	// Use Signature#getParameterCount() only if the argument names are not already available.
-	final int paramCount = info.getArgumentNames() == null ? info.getArgumentNames().length : 
-										Signature.getParameterCount(new String(info.getMethodDescriptor()));
+	int paramCount = Signature.getParameterCount(new String(info.getMethodDescriptor()));
+	if (this.isConstructor()) {
+		final IType declaringType = this.getDeclaringType();
+		if (declaringType.isMember()
+				&& !Flags.isStatic(declaringType.getFlags())) {
+			paramCount--; // remove synthetic argument from constructor param count
+		}
+	}
+
 	if (paramCount != 0) {
 		// don't try to look for javadoc for synthetic methods
 		int modifiers = getFlags();