### Eclipse Workspace Patch 1.0
#P org.eclipse.jdt.core
Index: compiler/org/eclipse/jdt/internal/compiler/ast/QualifiedAllocationExpression.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/compiler/org/eclipse/jdt/internal/compiler/ast/QualifiedAllocationExpression.java,v
retrieving revision 1.99
diff -u -r1.99 QualifiedAllocationExpression.java
--- compiler/org/eclipse/jdt/internal/compiler/ast/QualifiedAllocationExpression.java	18 Jan 2010 12:40:18 -0000	1.99
+++ compiler/org/eclipse/jdt/internal/compiler/ast/QualifiedAllocationExpression.java	22 Jun 2010 06:26:10 -0000
@@ -227,6 +227,7 @@
 
 		this.constant = Constant.NotAConstant;
 		TypeBinding enclosingInstanceType = null;
+		ReferenceBinding enclosingInstanceReference = null;
 		TypeBinding receiverType = null;
 		boolean hasError = false;
 		boolean enclosingInstanceContainsCast = false;
@@ -247,6 +248,14 @@
 			} else if (this.type instanceof QualifiedTypeReference) {
 				scope.problemReporter().illegalUsageOfQualifiedTypeReference((QualifiedTypeReference)this.type);
 				hasError = true;
+			} else if (!(enclosingInstanceReference = (ReferenceBinding) enclosingInstanceType).canBeSeenBy((scope.getCurrentPackage()))) {
+				// https://bugs.eclipse.org/bugs/show_bug.cgi?id=317212
+				enclosingInstanceType = new ProblemReferenceBinding(
+							enclosingInstanceReference.compoundName,
+							enclosingInstanceReference,
+							ProblemReasons.NotVisible);
+				scope.problemReporter().invalidType(this.enclosingInstance, enclosingInstanceType);
+				hasError = true;
 			} else {
 				receiverType = ((SingleTypeReference) this.type).resolveTypeEnclosing(scope, (ReferenceBinding) enclosingInstanceType);
 				if (receiverType != null && enclosingInstanceContainsCast) {
#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 1.83
diff -u -r1.83 LookupTest.java
--- src/org/eclipse/jdt/core/tests/compiler/regression/LookupTest.java	9 Mar 2010 04:28:15 -0000	1.83
+++ src/org/eclipse/jdt/core/tests/compiler/regression/LookupTest.java	22 Jun 2010 06:26:40 -0000
@@ -35,6 +35,10 @@
 public static Test suite() {
 	return buildAllCompliancesTestSuite(testClass());
 }
+
+static {
+//	TESTS_NAMES = new String [] { "test096" };
+}
 /**
  * Non-static member class
  */
@@ -3097,6 +3101,81 @@
 	"The type p1.B1 is not visible\n" + 
 	"----------\n");
 }
+// https://bugs.eclipse.org/bugs/show_bug.cgi?id= 317212
+public void test096() {
+	this.runNegativeTest(
+		new String[] {
+			"p0/B.java",//------------------------------
+			"package p0;\n" +
+			"public class B {\n" +
+			"    public static A m() {\n" +
+			"        return new A();\n" +
+			"    }\n" +
+			"}\n" +
+			"class A {\n" +
+			"        public class M {\n" +
+			"            public M() {}\n" +
+			"        }\n" +
+			"}\n",
+			"p1/C.java",//------------------------------
+			"package p1;\n" +
+			"import p0.B;\n" +
+			"public class C {\n" +
+			"    public static void main(String[] args) {\n" +
+			"        B.m().new M();\n" +
+			"    }\n" +
+			"}",
+		},
+		"----------\n" + 
+		"1. ERROR in p1\\C.java (at line 5)\n" + 
+		"	B.m().new M();\n" + 
+		"	^^^^^\n" + 
+		"The type p0.A is not visible\n" + 
+		"----------\n");
+}
+// https://bugs.eclipse.org/bugs/show_bug.cgi?id= 317212
+public void test097() {
+	this.runNegativeTest(
+		new String[] {
+			"B.java",//------------------------------
+			"public class B {\n" +
+			"    public static A m() {\n" +
+			"        return new B().new A();\n" +
+			"    }\n" +
+			"    private class A {\n" +
+			"        public class M {\n" +
+			"            public M() {}\n" +
+			"        }\n" +
+			"    }\n" +
+			"}\n" +
+			"class C {\n" +
+			"    public static void main(String[] args) {\n" +
+			"        B.m().new M();\n" +
+			"    }\n" +
+			"}\n",
+		},
+		"----------\n" + 
+		"1. WARNING in B.java (at line 3)\n" + 
+		"	return new B().new A();\n" + 
+		"	       ^^^^^^^^^^^^^^^\n" + 
+		"Access to enclosing constructor B.A() is emulated by a synthetic accessor method\n" + 
+		"----------\n" + 
+		"2. WARNING in B.java (at line 6)\n" + 
+		"	public class M {\n" + 
+		"	             ^\n" + 
+		"The type B.A.M is never used locally\n" + 
+		"----------\n" + 
+		"3. WARNING in B.java (at line 7)\n" + 
+		"	public M() {}\n" + 
+		"	       ^^^\n" + 
+		"The constructor B.A.M() is never used locally\n" + 
+		"----------\n" + 
+		"4. ERROR in B.java (at line 13)\n" + 
+		"	B.m().new M();\n" + 
+		"	^^^^^\n" + 
+		"The type B$A is not visible\n" + 
+		"----------\n");
+}
 public static Class testClass() {	return LookupTest.class;
 }
 }