do not go through foreach scope bound during unique variable name search (IDEA-131652)

java/java-impl/src/com/intellij/psi/impl/source/codeStyle/JavaCodeStyleManagerImpl.java

@@ -905,7 +905,7 @@ public class JavaCodeStyleManagerImpl extends JavaCodeStyleManager {
               continue NextName;
             }
             run = run.getNextSibling();
-            if (scope instanceof PsiMethod) {//do not check next member for param name conflict
+            if (scope instanceof PsiMethod || scope instanceof PsiForeachStatement) {//do not check next member for param name conflict
               break;
             }
           }

java/java-tests/testSrc/com/intellij/refactoring/RenameSuggestionsTest.groovy

@@ -43,6 +43,19 @@ class RenameSuggestionsTest extends LightCodeInsightTestCase {
     doTestSuggestionAvailable(text, "foo")
   }
 
+  public void "test foreach scope"() {
+    def text = """\
+     class Foo {
+        {
+           for (Foo <caret>f : new Foo[] {});
+           for (Foo foo : new Foo[] {});
+        }
+     }
+   """
+
+    doTestSuggestionAvailable(text, "foo")
+  }
+
   public void "test by super parameter name"() {
     def text = """\
      class Test {