[builtins] New frame type for exits to C++ builtins

src/ia32/code-stubs-ia32.cc

Index: src/ia32/code-stubs-ia32.cc
diff --git a/src/ia32/code-stubs-ia32.cc b/src/ia32/code-stubs-ia32.cc
index 5761b1627578f8136ed6f0798edf935bb2038df7..c01c43a4abccc4945dfcaa08f2bb995ef21c105e 100644
--- a/src/ia32/code-stubs-ia32.cc
+++ b/src/ia32/code-stubs-ia32.cc
@@ -1784,13 +1784,16 @@ void CEntryStub::Generate(MacroAssembler* masm) {
   // Enter the exit frame that transitions from JavaScript to C++.
   if (argv_in_register()) {
     DCHECK(!save_doubles());
+    DCHECK(!is_builtin_exit());
     __ EnterApiExitFrame(arg_stack_space);
 
     // Move argc and argv into the correct registers.
     __ mov(esi, ecx);
     __ mov(edi, eax);
   } else {
-    __ EnterExitFrame(arg_stack_space, save_doubles());
+    __ EnterExitFrame(
+        arg_stack_space, save_doubles(),
+        is_builtin_exit() ? StackFrame::BUILTIN_EXIT : StackFrame::EXIT);
   }
 
   // ebx: pointer to C function  (C callee-saved)