deps: patch V8 to support compilation with MSVC

Co-Authored-By: Michaël Zasso <targos@protonmail.com>

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.4',
+    'v8_embedder_string': '-node.5',
 
     ##### V8 defaults for Node.js #####
 

deps/v8/src/execution/frames.h

@@ -1269,11 +1269,11 @@ class WasmFrame : public TypedFrame {
   void Summarize(std::vector<FrameSummary>* frames) const override;
 
   static WasmFrame* cast(StackFrame* frame) {
-    DCHECK(frame->is_wasm()
 #ifdef V8_ENABLE_DRUMBRAKE
-           && !frame->is_wasm_interpreter_entry()
+    DCHECK(frame->is_wasm() && !frame->is_wasm_interpreter_entry());
+#else
+    DCHECK(frame->is_wasm());
 #endif  // V8_ENABLE_DRUMBRAKE
-    );
     return static_cast<WasmFrame*>(frame);
   }
 

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

@@ -101,12 +101,10 @@ 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));  \
   }                                                           \