Fix issue 597: builtins and stubs are missing in profiler log when using snapshots.

tools/tickprocessor.js

Index: tools/tickprocessor.js
diff --git a/tools/tickprocessor.js b/tools/tickprocessor.js
index 35422e2ecba0a6ee6ce8c2d7bfaedc1d4300b3ad..73bdf354e44a6a9418fa6b7e0860ad0dae916d80 100644
--- a/tools/tickprocessor.js
+++ b/tools/tickprocessor.js
@@ -67,6 +67,9 @@ function SnapshotLogProcessor() {
           processor: this.processCodeMove, backrefs: true },
       'code-delete': { parsers: [this.createAddressParser('code')],
           processor: this.processCodeDelete, backrefs: true },
+      'function-creation': null,
+      'function-move': null,
+      'function-delete': null,
       'snapshot-pos': { parsers: [this.createAddressParser('code'), parseInt],
           processor: this.processSnapshotPosition, backrefs: true }});