deps: patch V8 to support compilation with MSVC

After enabling -std:c++20 on Windows, patch is now much smaller.

PR-URL: nodejs#52465
Reviewed-By: Matteo Collina <[email protected]>
Reviewed-By: Rafael Gonzaga <[email protected]>
Reviewed-By: Michael Dawson <[email protected]>
PR-URL: nodejs#54077
Reviewed-By: Jiawen Geng <[email protected]>
Reviewed-By: Richard Lau <[email protected]>
Reviewed-By: Joyee Cheung <[email protected]>
Reviewed-By: Marco Ippolito <[email protected]>

Author: StefanStojanovic

common.gypi

@@ -36,7 +36,7 @@
 
     # 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 #####
 

deps/v8/src/objects/tagged-field.h

@@ -100,12 +100,10 @@ static_assert(sizeof(UnalignedDoubleMember) == sizeof(double));
 #define FLEXIBLE_ARRAY_MEMBER(Type, name)                     \
   using FlexibleDataReturnType = Type[0];                     \
   FlexibleDataReturnType& name() {                            \
-    static_assert(alignof(Type) <= alignof(decltype(*this))); \
     using ReturnType = Type[0];                               \
     return reinterpret_cast<ReturnType&>(*(this + 1));        \
   }                                                           \
   const FlexibleDataReturnType& name() const {                \
-    static_assert(alignof(Type) <= alignof(decltype(*this))); \
     using ReturnType = Type[0];                               \
     return reinterpret_cast<const ReturnType&>(*(this + 1));  \
   }                                                           \