In LCodeGen::DoDeferredLInstanceOfKnownGlobal emit safepoint with registers for the call to stub.

src/x64/macro-assembler-x64.h

Index: src/x64/macro-assembler-x64.h
diff --git a/src/x64/macro-assembler-x64.h b/src/x64/macro-assembler-x64.h
index 9fde18dfa0035ee04b40cea6b66d084dd22b13b4..8086388b12854251d557cfff29d561be4514912f 100644
--- a/src/x64/macro-assembler-x64.h
+++ b/src/x64/macro-assembler-x64.h
@@ -1083,6 +1083,10 @@ class MacroAssembler: public Assembler {
   void set_allow_stub_calls(bool value) { allow_stub_calls_ = value; }
   bool allow_stub_calls() { return allow_stub_calls_; }
 
+  static int SafepointRegisterStackIndex(Register reg) {
+    return SafepointRegisterStackIndex(reg.code());
+  }
+
  private:
   // Order general registers are pushed by Pushad.
   // rax, rcx, rdx, rbx, rsi, rdi, r8, r9, r11, r14, r15.