diff --git a/common.gypi b/common.gypi
index e5d2ca3c466..89104e7be73 100644
--- a/common.gypi
+++ b/common.gypi
@@ -39,7 +39,7 @@
 
     # Reset this number to 0 on major V8 upgrades.
     # Increment by one for each non-official patch applied to deps/v8.
-    'v8_embedder_string': '-node.5',
+    'v8_embedder_string': '-node.6',
 
     ##### V8 defaults for Node.js #####
 
diff --git a/deps/v8/src/codegen/arm64/register-arm64.h b/deps/v8/src/codegen/arm64/register-arm64.h
index c1d44945ed2..756e3dcaf37 100644
--- a/deps/v8/src/codegen/arm64/register-arm64.h
+++ b/deps/v8/src/codegen/arm64/register-arm64.h
@@ -539,6 +539,8 @@ using Simd128Register = VRegister;
 // Lists of registers.
 class V8_EXPORT_PRIVATE CPURegList {
  public:
+  CPURegList() = default;
+
   template <typename... CPURegisters>
   explicit CPURegList(CPURegister reg0, CPURegisters... regs)
       : list_(CPURegister::ListOf(reg0, regs...)),