deps: V8: workaround for MSVC 14.20 optimizer bug

Refs: https://developercommunity.visualstudio.com/content/problem/512352/compiler-doesnt-finish-142027508.html

PR-URL: nodejs/node#27375
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Ujjwal Sharma <usharma1998@gmail.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

common.gypi

@@ -38,7 +38,7 @@
 
     # 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.7',
+    'v8_embedder_string': '-node.8',
 
     ##### V8 defaults for Node.js #####
 

deps/v8/src/builtins/setup-builtins-internal.cc

@@ -276,6 +276,10 @@ Code GenerateBytecodeHandler(Isolate* isolate, int builtin_index,
 
 }  // namespace
 
+#if _MSC_VER == 1920
+#pragma optimize( "", off )
+#endif
+
 // static
 void SetupIsolateDelegate::SetupBuiltinsInternal(Isolate* isolate) {
   Builtins* builtins = isolate->builtins();
@@ -353,5 +357,10 @@ void SetupIsolateDelegate::SetupBuiltinsInternal(Isolate* isolate) {
   builtins->MarkInitialized();
 }
 
+#if _MSC_VER == 1920
+#pragma optimize( "", on )
+#endif
+
+
 }  // namespace internal
 }  // namespace v8