--- old/src/share/vm/compiler/compileBroker.cpp	2016-04-13 14:46:14.961012664 +0200
+++ new/src/share/vm/compiler/compileBroker.cpp	2016-04-13 14:46:14.889012668 +0200
@@ -1060,6 +1060,7 @@
   assert(osr_bci == InvocationEntryBci || (0 <= osr_bci && osr_bci < method->code_size()), "bci out of range");
   assert(!method->is_abstract() && (osr_bci == InvocationEntryBci || !method->is_native()), "cannot compile abstract/native methods");
   assert(!method->method_holder()->is_not_initialized(), "method holder must be initialized");
+  assert(!TieredCompilation || comp_level <= TieredStopAtLevel, "Invalid compilation level");
   // allow any levels for WhiteBox
   assert(WhiteBoxAPI || TieredCompilation || comp_level == CompLevel_highest_tier, "only CompLevel_highest_tier must be used in non-tiered");
   // return quickly if possible