Fix missing SmiTag in failure path of r27614

src/x64/builtins-x64.cc

Index: src/x64/builtins-x64.cc
diff --git a/src/x64/builtins-x64.cc b/src/x64/builtins-x64.cc
index dbf2dc46fcf9588147fb6c6ef4838e79c304c19d..7c670d448b9b4712d63193252d55246cb8db1496 100644
--- a/src/x64/builtins-x64.cc
+++ b/src/x64/builtins-x64.cc
@@ -606,6 +606,9 @@ static void Generate_CheckStackOverflow(MacroAssembler* masm,
 
   // Out of stack space.
   __ Push(Operand(rbp, calleeOffset));
+  if (rax_is_tagged == kRaxIsUntaggedInt) {
+    __ Integer32ToSmi(rax, rax);
+  }
   __ Push(rax);
   __ InvokeBuiltin(Builtins::STACK_OVERFLOW, CALL_FUNCTION);