--- a/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/codegen/Compiler.java	Wed Jul 05 20:03:24 2017 +0200
+++ b/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/codegen/Compiler.java	Mon Oct 06 10:43:57 2014 +0200
@@ -458,12 +458,14 @@
 
     @Override
     public DebugLogger initLogger(final Context ctxt) {
+        final boolean optimisticTypes = ctxt.getEnv()._optimistic_types;
         return ctxt.getLogger(this.getClass(), new Consumer<DebugLogger>() {
             @Override
             public void accept(final DebugLogger newLogger) {
                 if (!Compiler.this.getScriptEnvironment()._lazy_compilation) {
                     newLogger.warning("WARNING: Running with lazy compilation switched off. This is not a default setting.");
                 }
+                newLogger.warning("Optimistic types are ", optimisticTypes ? "ENABLED." : "DISABLED.");
             }
         });
     }
@@ -541,9 +543,10 @@
      * @throws CompilationException if error occurs during compilation
      */
     public FunctionNode compile(final FunctionNode functionNode, final CompilationPhases phases) throws CompilationException {
-
-        log.finest("Starting compile job for ", DebugLogger.quote(functionNode.getName()), " phases=", quote(phases.getDesc()));
-        log.indent();
+        if (log.isEnabled()) {
+            log.info("Starting compile job for ", DebugLogger.quote(functionNode.getName()), " phases=", quote(phases.getDesc()));
+            log.indent();
+        }
 
         final String name = DebugLogger.quote(functionNode.getName());
 
@@ -560,7 +563,7 @@
         long time = 0L;
 
         for (final CompilationPhase phase : phases) {
-            log.fine(phase, " starting for ", quote(name));
+            log.fine(phase, " starting for ", name);
 
             try {
                 newFunctionNode = phase.apply(this, phases, newFunctionNode);
@@ -588,8 +591,11 @@
         log.unindent();
 
         if (info) {
-            final StringBuilder sb = new StringBuilder();
-            sb.append("Compile job for ").append(newFunctionNode.getSource()).append(':').append(quote(newFunctionNode.getName())).append(" finished");
+            final StringBuilder sb = new StringBuilder("Finished compile job for ");
+            sb.append(newFunctionNode.getSource()).
+                append(':').
+                append(quote(newFunctionNode.getName()));
+
             if (time > 0L && timeLogger != null) {
                 assert env.isTimingEnabled();
                 sb.append(" in ").append(time).append(" ms");

--- a/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/resources/Options.properties	Wed Jul 05 20:03:24 2017 +0200
+++ b/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/resources/Options.properties	Mon Oct 06 10:43:57 2014 +0200
@@ -203,6 +203,7 @@
 
 nashorn.option.optimistic.types = {                                                                      \
     name="--optimistic-types",                                                                           \
+    short_name="-ot",                                                                                    \
     is_undocumented=true,                                                                                \
     desc="Use optimistic type assumptions with deoptimizing recompilation.", \
     default=true                                   \