REPL summarizes warnings

Emit the summary after successful parse in case
"there were deprecations".

src/repl/scala/tools/nsc/interpreter/IMain.scala

@@ -786,7 +786,6 @@ class IMain(val settings: Settings, parentClassLoaderOverride: Option[ClassLoade
       case _                => Nil
     }
 
-
     /** The path of the value that contains the user code. */
     def fullAccessPath = s"${lineRep.readPathInstance}$accessPath"
 
@@ -1128,12 +1127,11 @@ class IMain(val settings: Settings, parentClassLoaderOverride: Option[ClassLoade
       reporter.reset()
       val unit = newCompilationUnit(line, label)
       val trees = newUnitParser(unit).parseStats()
-      if (reporter.hasErrors) Left(Error)
-      else if (reporter.hasWarnings && settings.fatalWarnings) {
+      if (!isIncomplete)
         currentRun.reporting.summarizeErrors()
-        Left(Error)
-      }
+      if (reporter.hasErrors) Left(Error)
       else if (isIncomplete) Left(Incomplete)
+      else if (reporter.hasWarnings && settings.fatalWarnings) Left(Error)
       else Right((trees, unit.firstXmlPos))
     }
   }