diff --git a/java/java-impl/src/com/intellij/codeInspection/inconsistentLanguageLevel/InconsistentLanguageLevelInspection.java b/java/java-impl/src/com/intellij/codeInspection/inconsistentLanguageLevel/InconsistentLanguageLevelInspection.java
index 4b1329e43150..c62e057e1009 100644
--- a/java/java-impl/src/com/intellij/codeInspection/inconsistentLanguageLevel/InconsistentLanguageLevelInspection.java
+++ b/java/java-impl/src/com/intellij/codeInspection/inconsistentLanguageLevel/InconsistentLanguageLevelInspection.java
@@ -39,18 +39,18 @@ import com.intellij.openapi.roots.ui.configuration.ProjectSettingsService;
 import com.intellij.pom.java.LanguageLevel;
 import com.intellij.psi.PsiElement;
 import com.intellij.psi.PsiElementVisitor;
+import gnu.trove.THashSet;
 import org.jetbrains.annotations.Nls;
 import org.jetbrains.annotations.NonNls;
 import org.jetbrains.annotations.NotNull;
 
-import java.util.HashSet;
 import java.util.Set;
 
 public class InconsistentLanguageLevelInspection extends DescriptorProviderInspection{
   private static final Logger LOGGER = Logger.getInstance("#" + InconsistentLanguageLevelInspection.class.getName());
 
   public void runInspection(@NotNull AnalysisScope scope, @NotNull InspectionManager manager) {
-    final Set<Module> modules = new HashSet<Module>();
+    final Set<Module> modules = new THashSet<Module>();
     scope.accept(new PsiElementVisitor(){
       public void visitElement(PsiElement element) {
         final Module module = ModuleUtil.findModuleForPsiElement(element);
@@ -60,35 +60,30 @@ public class InconsistentLanguageLevelInspection extends DescriptorProviderInspe
       }
     });
 
-    if (!modules.isEmpty()) {
-      final LanguageLevel projectLanguageLevel =
-        LanguageLevelProjectExtension.getInstance(modules.iterator().next().getProject()).getLanguageLevel();
-      for (Module module : modules) {
-        LanguageLevel languageLevel = LanguageLevelModuleExtension.getInstance(module).getLanguageLevel();
-        if (languageLevel == null) {
-          languageLevel = projectLanguageLevel;
+    LanguageLevel projectLanguageLevel = LanguageLevelProjectExtension.getInstance(manager.getProject()).getLanguageLevel();
+    for (Module module : modules) {
+      LanguageLevel languageLevel = LanguageLevelModuleExtension.getInstance(module).getLanguageLevel();
+      if (languageLevel == null) {
+        languageLevel = projectLanguageLevel;
+      }
+      LOGGER.assertTrue(languageLevel != null);
+      final RefModule refModule = getRefManager().getRefModule(module);
+      for (OrderEntry entry : ModuleRootManager.getInstance(module).getOrderEntries()) {
+        if (!(entry instanceof ModuleOrderEntry)) continue;
+        final Module dependantModule = ((ModuleOrderEntry)entry).getModule();
+        if (dependantModule == null) continue;
+        LanguageLevel dependantLanguageLevel = LanguageLevelModuleExtension.getInstance(dependantModule).getLanguageLevel();
+        if (dependantLanguageLevel == null) {
+          dependantLanguageLevel = projectLanguageLevel;
         }
-        LOGGER.assertTrue(languageLevel != null);
-        final RefModule refModule = getRefManager().getRefModule(module);
-        for (OrderEntry entry : ModuleRootManager.getInstance(module).getOrderEntries()) {
-          if (entry instanceof ModuleOrderEntry) {
-            final Module dependantModule = ((ModuleOrderEntry)entry).getModule();
-            if (dependantModule != null) {
-              LanguageLevel dependantLanguageLevel = LanguageLevelModuleExtension.getInstance(dependantModule).getLanguageLevel();
-              if (dependantLanguageLevel == null) {
-                dependantLanguageLevel = projectLanguageLevel;
-              }
-              LOGGER.assertTrue(dependantLanguageLevel != null);
-              if (languageLevel.compareTo(dependantLanguageLevel) < 0) {
-                final CommonProblemDescriptor problemDescriptor = manager.createProblemDescriptor(
-                  "Inconsistent language level settings: module " + module.getName() + " with language level " + languageLevel +
-                  " depends on module " + dependantModule.getName() +" with language level " + dependantLanguageLevel,
-                  new UnnecessaryModuleDependencyInspection.RemoveModuleDependencyFix(module, dependantModule),
-                  new OpenModuleSettingsFix(module));
-                addProblemElement(refModule, problemDescriptor);
-              }
-            }
-          }
+        LOGGER.assertTrue(dependantLanguageLevel != null);
+        if (languageLevel.compareTo(dependantLanguageLevel) < 0) {
+          final CommonProblemDescriptor problemDescriptor = manager.createProblemDescriptor(
+            "Inconsistent language level settings: module " + module.getName() + " with language level " + languageLevel +
+            " depends on module " + dependantModule.getName() +" with language level " + dependantLanguageLevel,
+            new UnnecessaryModuleDependencyInspection.RemoveModuleDependencyFix(module, dependantModule),
+            new OpenModuleSettingsFix(module));
+          addProblemElement(refModule, problemDescriptor);
         }
       }
     }
diff --git a/platform/lang-api/src/com/intellij/analysis/AnalysisScope.java b/platform/lang-api/src/com/intellij/analysis/AnalysisScope.java
index b7fc38cdbc95..6e679e17a9ae 100644
--- a/platform/lang-api/src/com/intellij/analysis/AnalysisScope.java
+++ b/platform/lang-api/src/com/intellij/analysis/AnalysisScope.java
@@ -237,12 +237,13 @@ public class AnalysisScope {
   protected void accept(final PsiElementVisitor visitor, final boolean needReadAction) {
     if (myType == VIRTUAL_FILES) {
       final PsiManager psiManager = PsiManager.getInstance(myProject);
-       final FileIndex index = ProjectRootManager.getInstance(myProject).getFileIndex();
+      final FileIndex index = ProjectRootManager.getInstance(myProject).getFileIndex();
       for (final VirtualFile file : myFilesSet) {
         if (!myIncludeTestSource && index.isInTestSourceContent(file)) continue;
         if (!processFile(file, visitor, psiManager, needReadAction)) return;
       }
-    } else if (myScope instanceof GlobalSearchScope) {
+    }
+    else if (myScope instanceof GlobalSearchScope) {
       final PsiManager psiManager = PsiManager.getInstance(myProject);
       final FileIndex projectFileIndex = ProjectRootManager.getInstance(myProject).getFileIndex();
       final ContentIterator contentIterator = new ContentIterator() {
@@ -253,10 +254,7 @@ public class AnalysisScope {
               return ((GlobalSearchScope)myScope).contains(fileOrDir);
             }
           }).booleanValue();
-          if (isInScope) {
-            return AnalysisScope.processFile(fileOrDir, visitor, psiManager, needReadAction);
-          }
-          return true;
+          return !isInScope || AnalysisScope.processFile(fileOrDir, visitor, psiManager, needReadAction);
         }
       };
       projectFileIndex.iterateContent(contentIterator);
@@ -266,7 +264,8 @@ public class AnalysisScope {
           FileIndexImplUtil.iterateRecursively(libraryRoot, VirtualFileFilter.ALL, contentIterator);
         }
       }
-    } else if (myScope instanceof LocalSearchScope) {
+    }
+    else if (myScope instanceof LocalSearchScope) {
       ApplicationManager.getApplication().runReadAction(new Runnable() {
         public void run() {
           final PsiElement[] psiElements = ((LocalSearchScope)myScope).getScope();
@@ -299,13 +298,14 @@ public class AnalysisScope {
     else if (myElement instanceof PsiDirectory) {
       accept((PsiDirectory)myElement, visitor, needReadAction);
     }
-    else if (myElement != null){
+    else if (myElement != null) {
       ApplicationManager.getApplication().runReadAction(new Runnable() {
         public void run() {
           myElement.accept(visitor);
         }
       });
-    } else if (myProject != null) {
+    }
+    else if (myProject != null) {
       final PsiManager psiManager = PsiManager.getInstance(myProject);
       final FileIndex projectFileIndex = ProjectRootManager.getInstance(myProject).getFileIndex();
       projectFileIndex.iterateContent(new ContentIterator() {
diff --git a/platform/lang-impl/src/com/intellij/codeInspection/ex/QuickFixWrapper.java b/platform/lang-impl/src/com/intellij/codeInspection/ex/QuickFixWrapper.java
index e1948a1711f1..b59a9d86884e 100644
--- a/platform/lang-impl/src/com/intellij/codeInspection/ex/QuickFixWrapper.java
+++ b/platform/lang-impl/src/com/intellij/codeInspection/ex/QuickFixWrapper.java
@@ -35,15 +35,15 @@ import org.jetbrains.annotations.NotNull;
  * @author max
  */
 public class QuickFixWrapper implements IntentionAction {
-
   private static final Logger LOG = Logger.getInstance("com.intellij.codeInspection.ex.QuickFixWrapper");
 
   private final ProblemDescriptor myDescriptor;
   private final int myFixNumber;
 
 
+  @NotNull
   public static IntentionAction wrap(@NotNull ProblemDescriptor descriptor, int fixNumber) {
-    LOG.assertTrue(fixNumber > -1);
+    LOG.assertTrue(fixNumber >= 0, fixNumber);
     QuickFix[] fixes = descriptor.getFixes();
     LOG.assertTrue(fixes != null && fixes.length > fixNumber);