### Eclipse Workspace Patch 1.0
#P org.eclipse.jdt.core
Index: compiler/org/eclipse/jdt/internal/compiler/lookup/ParameterizedTypeBinding.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/compiler/org/eclipse/jdt/internal/compiler/lookup/ParameterizedTypeBinding.java,v
retrieving revision 1.112
diff -u -r1.112 ParameterizedTypeBinding.java
--- compiler/org/eclipse/jdt/internal/compiler/lookup/ParameterizedTypeBinding.java	8 Jan 2009 20:51:05 -0000	1.112
+++ compiler/org/eclipse/jdt/internal/compiler/lookup/ParameterizedTypeBinding.java	30 Mar 2009 18:09:31 -0000
@@ -80,7 +80,17 @@
 				    }
 				}
 			}
-			if (!hasErrors) this.tagBits |= TagBits.PassedBoundCheck; // no need to recheck it in the future
+			if (!hasErrors) {
+				this.tagBits |= TagBits.PassedBoundCheck; // no need to recheck it in the future
+				if (this.arguments != null) {
+					for (int i = 0, length = this.arguments.length; i < length; i++) {
+					    if (this.arguments[i].leafComponentType() instanceof ParameterizedTypeBinding) {
+					    	ParameterizedTypeBinding parameterizedType = (ParameterizedTypeBinding) this.arguments[i].leafComponentType();
+					    	parameterizedType.boundCheck(scope, argumentReferences);
+					    }
+					}
+				}
+			}
 		}
 	}
 	/**
#P org.eclipse.jdt.core.tests.compiler
Index: src/org/eclipse/jdt/core/tests/compiler/regression/GenericTypeTest.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core.tests.compiler/src/org/eclipse/jdt/core/tests/compiler/regression/GenericTypeTest.java,v
retrieving revision 1.793
diff -u -r1.793 GenericTypeTest.java
--- src/org/eclipse/jdt/core/tests/compiler/regression/GenericTypeTest.java	25 Mar 2009 20:17:48 -0000	1.793
+++ src/org/eclipse/jdt/core/tests/compiler/regression/GenericTypeTest.java	30 Mar 2009 18:09:37 -0000
@@ -49455,4 +49455,41 @@
              ""
      );
 }
+//https://bugs.eclipse.org/bugs/show_bug.cgi?id=159851
+public void test1450() {
+	this.runNegativeTest(
+		new String[] {
+			"X.java",
+			"import java.util.*;\n" +
+			"class A {}\n" +
+			"class B<T extends A> {}\n" +
+			"class X<T extends ArrayList<B<Integer>>> extends TreeMap<Integer, B<String>> {}\n" +
+			"\n" +
+			"class D<T> {}\n" +
+			"class E<T extends Number> {}\n" +
+			"class Y<T> extends E<D<T>> {}",
+		},
+		"----------\n" + 
+		"1. WARNING in X.java (at line 4)\n" + 
+		"	class X<T extends ArrayList<B<Integer>>> extends TreeMap<Integer, B<String>> {}\n" + 
+		"	      ^\n" + 
+		"The serializable class X does not declare a static final serialVersionUID field of type long\n" + 
+		"----------\n" + 
+		"2. ERROR in X.java (at line 4)\n" + 
+		"	class X<T extends ArrayList<B<Integer>>> extends TreeMap<Integer, B<String>> {}\n" + 
+		"	                            ^\n" + 
+		"Bound mismatch: The type Integer is not a valid substitute for the bounded parameter <T extends A> of the type B<T>\n" + 
+		"----------\n" + 
+		"3. ERROR in X.java (at line 4)\n" + 
+		"	class X<T extends ArrayList<B<Integer>>> extends TreeMap<Integer, B<String>> {}\n" + 
+		"	                                                         ^^^^^^^\n" + 
+		"Bound mismatch: The type String is not a valid substitute for the bounded parameter <T extends A> of the type B<T>\n" + 
+		"----------\n" + 
+		"4. ERROR in X.java (at line 8)\n" + 
+		"	class Y<T> extends E<D<T>> {}\n" + 
+		"	                     ^\n" + 
+		"Bound mismatch: The type D<T> is not a valid substitute for the bounded parameter <T extends Number> of the type E<T>\n" + 
+		"----------\n"
+	);
+}
 }
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