### Eclipse Workspace Patch 1.0
#P org.eclipse.jdt.core
Index: compiler/org/eclipse/jdt/internal/compiler/lookup/ClassScope.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/compiler/org/eclipse/jdt/internal/compiler/lookup/ClassScope.java,v
retrieving revision 1.181
diff -u -r1.181 ClassScope.java
--- compiler/org/eclipse/jdt/internal/compiler/lookup/ClassScope.java	20 Oct 2010 05:46:47 -0000	1.181
+++ compiler/org/eclipse/jdt/internal/compiler/lookup/ClassScope.java	25 Oct 2010 06:34:38 -0000
@@ -148,6 +148,9 @@
 		buildMethods();
 
 		SourceTypeBinding sourceType = this.referenceContext.binding;
+		if (!sourceType.isPrivate() && sourceType.superclass instanceof SourceTypeBinding && sourceType.superclass.isPrivate()) {
+			((SourceTypeBinding) sourceType.superclass).tagIndirectlyAccessibleFields();
+		}				
 		if (sourceType.isMemberType() && !sourceType.isLocalType())
 			 ((MemberTypeBinding) sourceType).checkSyntheticArgsAndFields();
 
Index: compiler/org/eclipse/jdt/internal/compiler/lookup/SourceTypeBinding.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/compiler/org/eclipse/jdt/internal/compiler/lookup/SourceTypeBinding.java,v
retrieving revision 1.181
diff -u -r1.181 SourceTypeBinding.java
--- compiler/org/eclipse/jdt/internal/compiler/lookup/SourceTypeBinding.java	15 Sep 2010 15:17:25 -0000	1.181
+++ compiler/org/eclipse/jdt/internal/compiler/lookup/SourceTypeBinding.java	25 Oct 2010 06:34:39 -0000
@@ -1627,4 +1627,10 @@
 public FieldBinding[] unResolvedFields() {
 	return this.fields;
 }
+public void tagIndirectlyAccessibleFields() {
+	for (int i = 0; i < this.fields.length; i++) {
+		if (!this.fields[i].isPrivate())
+			this.fields[i].modifiers |= ExtraCompilerModifiers.AccLocallyUsed;
+	}
+}
 }
#P org.eclipse.jdt.core.tests.compiler
Index: src/org/eclipse/jdt/core/tests/compiler/regression/ProblemTypeAndMethodTest.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core.tests.compiler/src/org/eclipse/jdt/core/tests/compiler/regression/ProblemTypeAndMethodTest.java,v
retrieving revision 1.36
diff -u -r1.36 ProblemTypeAndMethodTest.java
--- src/org/eclipse/jdt/core/tests/compiler/regression/ProblemTypeAndMethodTest.java	20 Oct 2010 05:47:03 -0000	1.36
+++ src/org/eclipse/jdt/core/tests/compiler/regression/ProblemTypeAndMethodTest.java	25 Oct 2010 06:34:44 -0000
@@ -7,6 +7,7 @@
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
+ *     Stephan Herrmann <stephan@cs.tu-berlin.de> - Contribution for bug 328281 - visibility leaks not detected when analyzing unused field in private class
  *******************************************************************************/
 package org.eclipse.jdt.core.tests.compiler.regression;
 
@@ -5154,6 +5155,152 @@
 		"----------\n");
 }
 // https://bugs.eclipse.org/bugs/show_bug.cgi?id=296660
+// check independence of textual order
+public void test099a() {
+	this.runNegativeTest(
+		new String[] {
+			"X.java",
+			"public class X {\n" +
+			"   public class C extends B {\n" +
+		    "		public void foo(int a) {\n" +
+			"			System.out.println(\"Hello\");\n" +    
+			"		}\n" +
+		    "		public void foo(double a) {\n" +
+			"			System.out.println(\"Hello\");\n" +    
+			"		}\n" +
+			"		public void foo(boolean a) {\n" +
+			"			System.out.println(\"Hello\");\n" +    
+			"		}\n" +
+			"		public void foo(byte a) {\n" +
+			"			System.out.println(\"Hello\");\n" +     
+			"		}\n" +
+		    "   }\n" +
+			"   private class B extends A {\n" +
+			"		public void foo(int a) {\n" +
+			"   		System.out.println(\"Hello\");\n" +    
+			"   	}\n" +
+			"		public void foo(float a) {\n" +
+			"   		System.out.println(\"Hello\");\n" +    
+			"   	}\n" +
+			"   	public void foo(double a) {\n" +
+			"   		System.out.println(\"Hello\");\n" +    
+			"   	}\n" +
+			"   	public void foo(char a) {\n" +
+			"   		System.out.println(\"Hello\");\n" +    
+			"   	}\n" +
+			"   }\n" +
+			"   private class A {\n" +
+			"    	public void foo(int a) {\n" +
+			"   		System.out.println(\"Hello\");\n" +    
+			"    	}\n" +
+			"	    public void foo(float a) {\n" +
+			"   		System.out.println(\"Hello\");\n" + 
+			"   	}\n" +
+			"   	public void foo(boolean a) {\n" +
+			"   		System.out.println(\"Hello\");\n" +    
+			"   	}\n" +
+			"      	public void foo(Integer a) {\n" +
+			"   		System.out.println(\"Hello\");\n" +    
+			"   	}\n" +
+			"   }\n" + 
+			"}\n"
+		},
+		"----------\n" + 
+		"1. WARNING in X.java (at line 2)\n" + 
+		"	public class C extends B {\n" + 
+		"	             ^\n" + 
+		"Access to enclosing constructor X.B() is emulated by a synthetic accessor method\n" + 
+		"----------\n" + 
+		"2. WARNING in X.java (at line 16)\n" + 
+		"	private class B extends A {\n" + 
+		"	              ^\n" + 
+		"Access to enclosing constructor X.A() is emulated by a synthetic accessor method\n" + 
+		"----------\n" + 
+		"3. WARNING in X.java (at line 23)\n" + 
+		"	public void foo(double a) {\n" + 
+		"	            ^^^^^^^^^^^^^\n" + 
+		"The method foo(double) from the type X.B is never used locally\n" + 
+		"----------\n" + 
+		"4. WARNING in X.java (at line 31)\n" + 
+		"	public void foo(int a) {\n" + 
+		"	            ^^^^^^^^^^\n" + 
+		"The method foo(int) from the type X.A is never used locally\n" + 
+		"----------\n" + 
+		"5. WARNING in X.java (at line 34)\n" + 
+		"	public void foo(float a) {\n" + 
+		"	            ^^^^^^^^^^^^\n" + 
+		"The method foo(float) from the type X.A is never used locally\n" + 
+		"----------\n" + 
+		"6. WARNING in X.java (at line 37)\n" + 
+		"	public void foo(boolean a) {\n" + 
+		"	            ^^^^^^^^^^^^^^\n" + 
+		"The method foo(boolean) from the type X.A is never used locally\n" + 
+		"----------\n");
+}
+// https://bugs.eclipse.org/bugs/show_bug.cgi?id=296660
+// check usage via super-call
+public void test099b() {
+	this.runNegativeTest(
+		new String[] {
+			"X.java",
+			"public class X {\n" +
+			"    private class A {\n" +
+			"    	public void foo(int a) {\n" +
+			"   		System.out.println(\"Hello\");\n" +    
+			"    	}\n" +
+			"	    public void foo(float a) {\n" +
+			"   		System.out.println(\"Hello\");\n" + 
+			"   	}\n" +
+			"   	public void foo(boolean a) {\n" +
+			"   		System.out.println(\"Hello\");\n" +    
+			"   	}\n" +
+			"      	public void foo(Integer a) {\n" +
+			"   		System.out.println(\"Hello\");\n" +    
+			"   	}\n" +
+			"   }\n" + 
+			"   private class B extends A {\n" +
+			"		public void foo(int a) {\n" +
+			"   		super.foo(a);\n" +    
+			"   	}\n" +
+			"		public void foo(float a) {\n" +
+			"   		super.foo(a);\n" +    
+			"   	}\n" +
+			"   	public void foo(double a) {\n" +
+			"   		System.out.println(\"Hello\");\n" +    
+			"   	}\n" +
+			"   	public void foo(char a) {\n" +
+			"   		System.out.println(\"Hello\");\n" +    
+			"   	}\n" +
+			"   }\n" +
+			"   public class C extends B {\n" +
+		    "		public void foo(int a) {\n" +
+			"			System.out.println(\"Hello\");\n" +    
+			"		}\n" +
+		    "		public void foo(double a) {\n" +
+			"			super.foo(a);\n" +    
+			"		}\n" +
+			"		public void foo(boolean a) {\n" +
+			"			super.foo(a);\n" +    
+			"		}\n" +
+			"		public void foo(byte a) {\n" +
+			"			System.out.println(\"Hello\");\n" +     
+			"		}\n" +
+		    "   }\n" +
+			"}\n"
+		},
+		"----------\n" + 
+		"1. WARNING in X.java (at line 16)\n" + 
+		"	private class B extends A {\n" + 
+		"	              ^\n" + 
+		"Access to enclosing constructor X.A() is emulated by a synthetic accessor method\n" + 
+		"----------\n" + 
+		"2. WARNING in X.java (at line 30)\n" + 
+		"	public class C extends B {\n" + 
+		"	             ^\n" + 
+		"Access to enclosing constructor X.B() is emulated by a synthetic accessor method\n" + 
+		"----------\n");
+}
+// https://bugs.eclipse.org/bugs/show_bug.cgi?id=296660
 public void test100() {
 	this.runNegativeTest(
 		new String[] {
Index: src/org/eclipse/jdt/core/tests/compiler/regression/ProgrammingProblemsTest.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core.tests.compiler/src/org/eclipse/jdt/core/tests/compiler/regression/ProgrammingProblemsTest.java,v
retrieving revision 1.26
diff -u -r1.26 ProgrammingProblemsTest.java
--- src/org/eclipse/jdt/core/tests/compiler/regression/ProgrammingProblemsTest.java	22 Oct 2010 22:42:32 -0000	1.26
+++ src/org/eclipse/jdt/core/tests/compiler/regression/ProgrammingProblemsTest.java	25 Oct 2010 06:34:45 -0000
@@ -7,7 +7,9 @@
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
- *     Stephan Herrmann <stephan@cs.tu-berlin.de> - Contribution for bug 185682 - Increment/decrement operators mark local variables as read
+ *     Stephan Herrmann <stephan@cs.tu-berlin.de> - Contributions for
+ *     						bug 185682 - Increment/decrement operators mark local variables as read
+ *     						bug 328281 - visibility leaks not detected when analyzing unused field in private class
  *******************************************************************************/
 package org.eclipse.jdt.core.tests.compiler.regression;
 
@@ -2120,5 +2122,30 @@
 			true/*shouldFlushOutputDirectory*/,
 			customOptions);
 }
+// https://bugs.eclipse.org/bugs/show_bug.cgi?id=328281
+public void test0052() {
+	Map customOptions = getCompilerOptions();
+	customOptions.put(CompilerOptions.OPTION_ReportUnusedPrivateMember, CompilerOptions.ERROR);
+	this.runConformTest(
+			new String[] {
+					"X.java",
+					"class X {\n" +
+					"    Y y = new Y();\n" +
+					"    private class Y {\n" +
+					"        int abc;\n" + 
+					"        Y() {\n" + 
+					"            abc++;\n" +    // not a relevant usage
+					"        }\n" +
+					"    }\n" +
+					"    class Z extends Y {}\n" + // makes 'abc' externally accessible
+					"}"
+			},
+			"",
+			null/*classLibraries*/,
+			true/*shouldFlushOutputDirectory*/,
+			null/*vmArguments*/,
+			customOptions,
+			null/*requestor*/);
+}
 
 }
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