Fix attempt #2, discovered this flag to disable snapshot_blob.bin.

Flag v8_use_snapshot = false added now.

The previous guess I made didn't make sense and was unrelated.

v8pp/build-v8.sh

 
 fetch v8
 #gclient sync -r 6.9.427.6  # 55da769bafac8b531cd8b388df56161b8b7c6416
-# gclient sync -r 7.1.69     # 
+# gclient sync -r 7.1.69     #
 #gclient sync -r lkgr/6.9
 
 # newest version I found supported via v8pp CI:
 # gclient sync -r 6.9.427.13  # https://ci.appveyor.com/project/pmed/v8pp
 cd v8
-gclient sync -r 7.5.288.23  #https://github.com/pmed/v8-nuget/  
+gclient sync -r 7.5.288.23  #https://github.com/pmed/v8-nuget/
 # old version
 #git checkout 5.5.372.7
 
 ./tools/dev/gm.py x64.release
 
 # workaround, see notes.txt
-#echo "v8_enable_embedded_builtins = false" | tee -a out/x64.release/args.gn
+echo "v8_enable_embedded_builtins = false" | tee -a out/x64.release/args.gn
+echo "v8_use_snapshot = false"             | tee -a out/x64.release/args.gn
+
 ./tools/dev/gm.py x64.release
 
 #mkdir -p lib