do not differentiate & integrate files for the chunk where compilation errors occurred. (consistent with timestamp update strategy for such chunks)

jps/jps-builders/src/org/jetbrains/jps/incremental/CompileContext.java

@@ -268,6 +268,10 @@ public class CompileContext extends UserDataHolderBase implements MessageHandler
     myDelegateMessageHandler.processMessage(msg);
   }
 
+  public boolean errorsDetected() {
+    return myErrorsFound;
+  }
+
   public void processFilesToRecompile(ModuleChunk chunk, FileProcessor processor) throws IOException {
     for (Module module : chunk.getModules()) {
       myFsState.processFilesToRecompile(this, module, processor);

jps/jps-builders/src/org/jetbrains/jps/incremental/ModuleLevelBuilder.java

@@ -56,6 +56,9 @@ public abstract class ModuleLevelBuilder extends Builder {
    * @throws Exception
    */
   public final boolean updateMappings(CompileContext context, final Mappings delta, ModuleChunk chunk, Collection<File> filesToCompile, Collection<File> successfullyCompiled) throws IOException {
+    if (context.errorsDetected()) {
+      return false;
+    }
     try {
       boolean additionalPassRequired = false;