resolve conflicting names (IDEA-119412)

java/java-psi-impl/src/com/intellij/psi/impl/source/PsiClassImpl.java

@@ -720,7 +720,7 @@ public class PsiClassImpl extends JavaStubPsiElement<PsiClassStub<?>> implements
     PsiMethod method = myValueOfMethod;
     if (method == null && isEnum() && getName() != null) {
       PsiElementFactory elementFactory = JavaPsiFacade.getInstance(getProject()).getElementFactory();
-      final PsiMethod valuesMethod = elementFactory.createMethodFromText("public static " + getName() + " valueOf(String name) throws IllegalArgumentException {}", this);
+      final PsiMethod valuesMethod = elementFactory.createMethodFromText("public static " + getName() + " valueOf(String name) throws java.lang.IllegalArgumentException {}", this);
       myValueOfMethod = method = new LightMethod(getManager(), valuesMethod, this);
     }
     return method;

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/advHighlighting6/UnhandledExceptionsValueOf.java

@@ -0,0 +1,10 @@
+enum SomeEnumeration {
+  A;
+
+  public static SomeEnumeration fromValue(String v) {
+    return  valueOf(v);
+  }
+}
+
+
+public class IllegalArgumentException extends Exception {}

java/java-tests/testSrc/com/intellij/codeInsight/daemon/LightAdvHighlightingJdk6Test.java

@@ -59,4 +59,5 @@ public class LightAdvHighlightingJdk6Test extends LightDaemonAnalyzerTestCase {
   public void testRedundantCastInConditionalExpression() throws Exception { setLanguageLevel(LanguageLevel.JDK_1_6); doTest(true, false); }
   public void testJava5CastConventions() { setLanguageLevel(LanguageLevel.JDK_1_5); doTest(true, false); }
   public void testUnhandledExceptions() { doTest(true, false); }
+  public void testUnhandledExceptionsValueOf() { doTest(true, false); }
 }