### Eclipse Workspace Patch 1.0
#P org.eclipse.jdt.core
Index: compiler/org/eclipse/jdt/internal/compiler/lookup/Scope.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/compiler/org/eclipse/jdt/internal/compiler/lookup/Scope.java,v
retrieving revision 1.370
diff -u -r1.370 Scope.java
--- compiler/org/eclipse/jdt/internal/compiler/lookup/Scope.java	1 Jul 2010 04:39:19 -0000	1.370
+++ compiler/org/eclipse/jdt/internal/compiler/lookup/Scope.java	5 Jul 2010 11:21:51 -0000
@@ -1688,7 +1688,9 @@
 											}
 											if (foundField.isValidBinding())
 												// if a valid field was found, complain when another is found in an 'immediate' enclosing type (that is, not inherited)
-												if (foundField.declaringClass != fieldBinding.declaringClass)
+												// but only if "valid field" was inherited in the first place.
+												if (foundField.declaringClass != fieldBinding.declaringClass &&
+												    foundField.declaringClass != foundActualReceiverType) // https://bugs.eclipse.org/bugs/show_bug.cgi?id=316956
 													// i.e. have we found the same field - do not trust field identity yet
 													return new ProblemFieldBinding(
 														foundField, // closest match
#P org.eclipse.jdt.core.tests.compiler
Index: src/org/eclipse/jdt/core/tests/compiler/regression/LookupTest.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core.tests.compiler/src/org/eclipse/jdt/core/tests/compiler/regression/LookupTest.java,v
retrieving revision 1.84
diff -u -r1.84 LookupTest.java
--- src/org/eclipse/jdt/core/tests/compiler/regression/LookupTest.java	23 Jun 2010 06:52:41 -0000	1.84
+++ src/org/eclipse/jdt/core/tests/compiler/regression/LookupTest.java	5 Jul 2010 11:21:55 -0000
@@ -3176,6 +3176,153 @@
 		"The type B$A is not visible\n" + 
 		"----------\n");
 }
+// https://bugs.eclipse.org/bugs/show_bug.cgi?id=316956
+public void test098() {
+	Map options = getCompilerOptions();
+	CompilerOptions compOptions = new CompilerOptions(options);
+	if (compOptions.complianceLevel < ClassFileConstants.JDK1_4) return;
+	this.runNegativeTest(
+		new String[] {
+			"A.java",//------------------------------
+			"public class A {\n" +
+			"	  private int x;\n" +
+			"	  static class B {\n" +
+			"	    private int x;\n" +
+			"	    private C c = new C() {\n" +
+			"	      void foo() {\n" +
+			"	        x = 3;\n" +
+			"	      }\n" +
+			"	    };\n" +
+			"	  }\n" +
+			"	  static class C {\n" +
+			"	    private int x;\n" +
+			"	  }\n" +
+			"	}\n",
+		},
+		"----------\n" + 
+		"1. WARNING in A.java (at line 2)\n" + 
+		"	private int x;\n" + 
+		"	            ^\n" + 
+		"The field A.x is never read locally\n" + 
+		"----------\n" + 
+		"2. WARNING in A.java (at line 4)\n" + 
+		"	private int x;\n" + 
+		"	            ^\n" + 
+		"The field A.B.x is never read locally\n" + 
+		"----------\n" + 
+		"3. WARNING in A.java (at line 5)\n" + 
+		"	private C c = new C() {\n" + 
+		"	          ^\n" + 
+		"The field A.B.c is never read locally\n" + 
+		"----------\n" + 
+		"4. WARNING in A.java (at line 6)\n" + 
+		"	void foo() {\n" + 
+		"	     ^^^^^\n" + 
+		"The method foo() from the type new A.C(){} is never used locally\n" + 
+		"----------\n" + 
+		"5. WARNING in A.java (at line 7)\n" + 
+		"	x = 3;\n" + 
+		"	^\n" + 
+		"Write access to enclosing field A.B.x is emulated by a synthetic accessor method\n" + 
+		"----------\n" + 
+		"6. WARNING in A.java (at line 12)\n" + 
+		"	private int x;\n" + 
+		"	            ^\n" + 
+		"The field A.C.x is never read locally\n" + 
+		"----------\n");
+}
+// https://bugs.eclipse.org/bugs/show_bug.cgi?id=316956
+public void test099() {
+	Map options = getCompilerOptions();
+	CompilerOptions compOptions = new CompilerOptions(options);
+	if (compOptions.complianceLevel < ClassFileConstants.JDK1_4) return;
+	this.runNegativeTest(
+		new String[] {
+			"A.java",//------------------------------
+			"public class A {\n" +
+			"	  private int x;\n" +
+			"	  static class B {\n" +
+			"	    private int x;\n" +
+			"	    private C c = new C() {\n" +
+			"	      void foo() {\n" +
+			"	        x = 3;\n" +
+			"	      }\n" +
+			"	    };\n" +
+			"	  }\n" +
+			"	  static class C {\n" +
+			"	    public int x;\n" +
+			"	  }\n" +
+			"	}\n",
+		},
+		"----------\n" + 
+		"1. WARNING in A.java (at line 2)\n" + 
+		"	private int x;\n" + 
+		"	            ^\n" + 
+		"The field A.x is never read locally\n" + 
+		"----------\n" + 
+		"2. WARNING in A.java (at line 4)\n" + 
+		"	private int x;\n" + 
+		"	            ^\n" + 
+		"The field A.B.x is never read locally\n" + 
+		"----------\n" + 
+		"3. WARNING in A.java (at line 5)\n" + 
+		"	private C c = new C() {\n" + 
+		"	          ^\n" + 
+		"The field A.B.c is never read locally\n" + 
+		"----------\n" + 
+		"4. WARNING in A.java (at line 6)\n" + 
+		"	void foo() {\n" + 
+		"	     ^^^^^\n" + 
+		"The method foo() from the type new A.C(){} is never used locally\n" + 
+		"----------\n");
+}
+//https://bugs.eclipse.org/bugs/show_bug.cgi?id=316956
+public void test100() {
+	Map options = getCompilerOptions();
+	CompilerOptions compOptions = new CompilerOptions(options);
+	if (compOptions.complianceLevel < ClassFileConstants.JDK1_4) return;
+	this.runNegativeTest(
+		new String[] {
+			"A.java",//------------------------------
+			"public class A {\n" +
+			"	  private int x;\n" +
+			"	  private C c = new C() {\n" +
+			"	    void foo() {\n" +
+			"	      x = 3;\n" +
+			"	    }\n" +
+			"	  };\n" +
+			"	  static class C {\n" +
+			"	    private int x;\n" +
+			"	  }\n" +
+			"	 }\n",
+		},
+		"----------\n" + 
+		"1. WARNING in A.java (at line 2)\n" + 
+		"	private int x;\n" + 
+		"	            ^\n" + 
+		"The field A.x is never read locally\n" + 
+		"----------\n" + 
+		"2. WARNING in A.java (at line 3)\n" + 
+		"	private C c = new C() {\n" + 
+		"	          ^\n" + 
+		"The field A.c is never read locally\n" + 
+		"----------\n" + 
+		"3. WARNING in A.java (at line 4)\n" + 
+		"	void foo() {\n" + 
+		"	     ^^^^^\n" + 
+		"The method foo() from the type new A.C(){} is never used locally\n" + 
+		"----------\n" + 
+		"4. WARNING in A.java (at line 5)\n" + 
+		"	x = 3;\n" + 
+		"	^\n" + 
+		"Write access to enclosing field A.x is emulated by a synthetic accessor method\n" + 
+		"----------\n" + 
+		"5. WARNING in A.java (at line 9)\n" + 
+		"	private int x;\n" + 
+		"	            ^\n" + 
+		"The field A.C.x is never read locally\n" + 
+		"----------\n");
+}
 public static Class testClass() {	return LookupTest.class;
 }
 }