Deoptimizer support for hydrogen stubs that accept a variable number of arguments.

src/code-stubs.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 596 matching lines @@
     } else {
       UNREACHABLE();
     }
   }
   masm->bind(&fail);
   KeyedStoreIC::GenerateRuntimeSetProperty(masm, strict_mode_);
 }
 
 
 void StubFailureTrampolineStub::GenerateAheadOfTime(Isolate* isolate) {
-  int i = 0;
-  for (; i <= StubFailureTrampolineStub::kMaxExtraExpressionStackCount; ++i) {
-    StubFailureTrampolineStub(i).GetCode(isolate);
-  }
+  StubFailureTrampolineStub(false).GetCode(isolate);
+  StubFailureTrampolineStub(true).GetCode(isolate);
 }
 
 
 FunctionEntryHook ProfileEntryHookStub::entry_hook_ = NULL;
 
 
 void ProfileEntryHookStub::EntryHookTrampoline(intptr_t function,
                                                intptr_t stack_pointer) {
   if (entry_hook_ != NULL)
     entry_hook_(function, stack_pointer);
 }
 
 
 bool ProfileEntryHookStub::SetFunctionEntryHook(FunctionEntryHook entry_hook) {
   // We don't allow setting a new entry hook over one that's
   // already active, as the hooks won't stack.
   if (entry_hook != 0 && entry_hook_ != 0)
     return false;
 
   entry_hook_ = entry_hook;
   return true;
 }
 
 
 } }  // namespace v8::internal