Fix Cluster Fuzz stack frame corruption bug.

src/x64/code-stubs-x64.cc

Index: src/x64/code-stubs-x64.cc
diff --git a/src/x64/code-stubs-x64.cc b/src/x64/code-stubs-x64.cc
index ad33a8c6319b7a0a5919b7be75458068a1d1f929..787a50182978e913a2aaa86bf93084cda9df73f2 100644
--- a/src/x64/code-stubs-x64.cc
+++ b/src/x64/code-stubs-x64.cc
@@ -3568,6 +3568,7 @@ static void GenerateRecordCallTarget(MacroAssembler* masm) {
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
 
+    __ Integer32ToSmi(rax, rax);
     __ push(rax);
     __ push(rdi);
     __ push(rbx);
@@ -3578,6 +3579,7 @@ static void GenerateRecordCallTarget(MacroAssembler* masm) {
     __ pop(rbx);
     __ pop(rdi);
     __ pop(rax);
+    __ SmiToInteger32(rax, rax);
   }
   __ jmp(&done);