Extra code to diagnose a crash bug.

src/ic/ic.h

Index: src/ic/ic.h
diff --git a/src/ic/ic.h b/src/ic/ic.h
index ba606f9ecd770fe7ca38b88d8d495dc00b4f1d75..64dd7babdba96bdf9241fd87ad0b8b444a742551 100644
--- a/src/ic/ic.h
+++ b/src/ic/ic.h
@@ -323,8 +323,17 @@ class LoadIC : public IC {
   }
 
   // Code generator routines.
-  static void GenerateInitialize(MacroAssembler* masm) { GenerateMiss(masm); }
-  static void GenerateMiss(MacroAssembler* masm);
+
+  // TODO(jkummerow): Remove the stress parameter and these stress constants
+  // when a crash bug is fixed.
+  static const int kStressNone = 0;
+  static const int kStressInit = 1;
+  static const int kStressDispatcher = 2;
+  static const int kStressBuiltin = 3;
+  static void GenerateInitialize(MacroAssembler* masm) {
+    GenerateMiss(masm, kStressInit);
+  }
+  static void GenerateMiss(MacroAssembler* masm, int stress = kStressNone);
   static void GenerateRuntimeGetProperty(MacroAssembler* masm,
                                          LanguageMode language_mode);
   static void GenerateNormal(MacroAssembler* masm, LanguageMode language_mode);