--- old/hotspot/src/share/vm/compiler/compileBroker.cpp	2009-12-09 16:17:02.000000000 +0000
+++ new/hotspot/src/share/vm/compiler/compileBroker.cpp	2009-12-09 16:17:02.000000000 +0000
@@ -1820,9 +1820,11 @@
                 CompileBroker::_t_standard_compilation.seconds(),
                 CompileBroker::_t_standard_compilation.seconds() / CompileBroker::_total_standard_compile_count);
   tty->print_cr("    On stack replacement   : %6.3f s, Average : %2.3f", CompileBroker::_t_osr_compilation.seconds(), CompileBroker::_t_osr_compilation.seconds() / CompileBroker::_total_osr_compile_count);
-  compiler(CompLevel_fast_compile)->print_timers();
-  if (compiler(CompLevel_fast_compile) != compiler(CompLevel_highest_tier)) {
-    compiler(CompLevel_highest_tier)->print_timers();
+
+  if (compiler(CompLevel_fast_compile)) {
+    compiler(CompLevel_fast_compile)->print_timers();
+    if (compiler(CompLevel_fast_compile) != compiler(CompLevel_highest_tier))
+      compiler(CompLevel_highest_tier)->print_timers();
   }
 
   tty->cr();
--- old/hotspot/src/share/vm/runtime/arguments.cpp	2009-12-09 16:17:02.000000000 +0000
+++ new/hotspot/src/share/vm/runtime/arguments.cpp	2009-12-09 16:17:02.000000000 +0000
@@ -2756,9 +2756,17 @@
   set_aggressive_opts_flags();
 
 #ifdef CC_INTERP
-  // Biased locking is not implemented with c++ interpreter
+  // Clear flags not supported by the C++ interpreter
+  FLAG_SET_DEFAULT(ProfileInterpreter, false);
   FLAG_SET_DEFAULT(UseBiasedLocking, false);
-#endif /* CC_INTERP */
+  LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedOops, false));
+#endif // CC_INTERP
+
+#ifdef ZERO
+  // Clear flags not supported by Zero
+  FLAG_SET_DEFAULT(TaggedStackInterpreter, false);
+#endif // ZERO
+  
 
 #ifdef COMPILER2
   if (!UseBiasedLocking || EmitSync != 0) {