### Eclipse Workspace Patch 1.0
#P org.eclipse.jdt.core
Index: compiler/org/eclipse/jdt/internal/compiler/ast/MemberValuePair.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/compiler/org/eclipse/jdt/internal/compiler/ast/MemberValuePair.java,v
retrieving revision 1.36
diff -u -r1.36 MemberValuePair.java
--- compiler/org/eclipse/jdt/internal/compiler/ast/MemberValuePair.java	12 Sep 2008 13:11:54 -0000	1.36
+++ compiler/org/eclipse/jdt/internal/compiler/ast/MemberValuePair.java	26 Jan 2009 13:09:00 -0000
@@ -192,6 +192,8 @@
 							}
 						}
 					}
+				}  else {
+					scope.problemReporter().annotationValueMustBeConstant(this.binding.declaringClass, this.name, this.value, true);
 				}
 				break checkAnnotationMethodType;
 			}
#P org.eclipse.jdt.core.tests.compiler
Index: src/org/eclipse/jdt/core/tests/compiler/regression/AnnotationTest.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core.tests.compiler/src/org/eclipse/jdt/core/tests/compiler/regression/AnnotationTest.java,v
retrieving revision 1.194
diff -u -r1.194 AnnotationTest.java
--- src/org/eclipse/jdt/core/tests/compiler/regression/AnnotationTest.java	23 Jan 2009 15:05:53 -0000	1.194
+++ src/org/eclipse/jdt/core/tests/compiler/regression/AnnotationTest.java	26 Jan 2009 13:09:03 -0000
@@ -8792,4 +8792,36 @@
 		"----------\n",
 		JavacTestOptions.Excuse.EclipseWarningConfiguredAsError);
 }
+//https://bugs.eclipse.org/bugs/show_bug.cgi?id=262304
+public void test268() {
+	this.runNegativeTest(
+		new String[] {
+			"X.java", // =================
+			"public class X {\n" + 
+			"	protected enum E {\n" + 
+			"		E1, E2\n" + 
+			"	}\n" + 
+			"	protected @interface Anno1 { E value(); }\n" + 
+			"	protected @interface Anno2 { E value(); }\n" + 
+			"	protected @interface Anno3 { E value(); }\n" + 
+			"	@Anno1(true ? E.E1 : E.E2)\n" + 
+			"	@Anno2(bar())\n" + 
+			"	@Anno3(((E.E1)))\n" + 
+			"	public void foo() {\n" + 
+			"	}\n" + 
+			"	public E bar() { return E.E1; }\n" + 
+			"}\n", // =================
+		},
+		"----------\n" + 
+		"1. ERROR in X.java (at line 8)\n" + 
+		"	@Anno1(true ? E.E1 : E.E2)\n" + 
+		"	       ^^^^^^^^^^^^^^^^^^\n" + 
+		"The value for annotation attribute X.Anno1.value must be an enum constant expression\n" + 
+		"----------\n" + 
+		"2. ERROR in X.java (at line 9)\n" + 
+		"	@Anno2(bar())\n" + 
+		"	       ^^^^^\n" + 
+		"The value for annotation attribute X.Anno2.value must be an enum constant expression\n" + 
+		"----------\n");
+}
 }