--- a/src/jdk/nashorn/internal/codegen/Compiler.java	Tue Jun 24 19:43:44 2014 +0530
+++ b/src/jdk/nashorn/internal/codegen/Compiler.java	Tue Jun 24 19:29:41 2014 +0200
@@ -45,7 +45,6 @@
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
-import java.util.Objects;
 import java.util.Set;
 import java.util.TreeMap;
 import java.util.concurrent.atomic.AtomicInteger;
@@ -122,11 +121,7 @@
      * that using whatever was at program point 17 as an int failed.
      */
     private final Map<Integer, Type> invalidatedProgramPoints;
-    /**
-     * The snapshot of invalidatedProgramPoints before the compilation. Used to compare it to invalidatedProgramPoints,
-     * and if the two are equal, not write the type information to a file.
-     */
-    private final Map<Integer, Type> invalidatedProgramPointsOnEntry;
+
     /**
      * Descriptor of the location where we write the type information after compilation.
      */
@@ -381,7 +376,6 @@
         this.firstCompileUnitName     = firstCompileUnitName();
         this.strict                   = isStrict;
 
-        this.invalidatedProgramPointsOnEntry = typeInformationFile == null ? null : new HashMap<>(this.invalidatedProgramPoints);
         this.optimistic = env._optimistic_types;
     }
 
@@ -537,7 +531,7 @@
             time += (env.isTimingEnabled() ? phase.getEndTime() - phase.getStartTime() : 0L);
         }
 
-        if(typeInformationFile != null && !phases.isRestOfCompilation() && !Objects.equals(invalidatedProgramPoints, invalidatedProgramPointsOnEntry)) {
+        if(typeInformationFile != null && !phases.isRestOfCompilation()) {
             OptimisticTypesPersistence.store(typeInformationFile, invalidatedProgramPoints);
         }
 

--- a/src/jdk/nashorn/internal/codegen/OptimisticTypesPersistence.java	Tue Jun 24 19:43:44 2014 +0530
+++ b/src/jdk/nashorn/internal/codegen/OptimisticTypesPersistence.java	Tue Jun 24 19:29:41 2014 +0200
@@ -136,11 +136,7 @@
                         }
                         dout.flush();
                     } catch(final Exception e) {
-                        final long now = System.currentTimeMillis();
-                        if(now - lastReportedError > ERROR_REPORT_THRESHOLD) {
-                            getLogger().warning("Failed to write " + file, e);
-                            lastReportedError = now;
-                        }
+                        reportError("write", file, e);
                     }
                 }
                 return null;
@@ -190,17 +186,21 @@
                         }
                     }
                 } catch (final Exception e) {
-                    final long now = System.currentTimeMillis();
-                    if(now - lastReportedError > ERROR_REPORT_THRESHOLD) {
-                        getLogger().warning("Failed to read " + file, e);
-                        lastReportedError = now;
-                    }
+                    reportError("read", file, e);
                     return null;
                 }
             }
         });
     }
 
+    private static void reportError(final String msg, final File file, final Exception e) {
+        final long now = System.currentTimeMillis();
+        if(now - lastReportedError > ERROR_REPORT_THRESHOLD) {
+            getLogger().warning(String.format("Failed to %s %s", msg, file), e);
+            lastReportedError = now;
+        }
+    }
+
     private static File createCacheDir() {
         if(Options.getBooleanProperty("nashorn.typeInfo.disabled")) {
             return null;