diff -up qtwebkit-5.212.0-alpha4/Source/JavaScriptCore/generate-bytecode-files.me qtwebkit-5.212.0-alpha4/Source/JavaScriptCore/generate-bytecode-files
--- qtwebkit-5.212.0-alpha4/Source/JavaScriptCore/generate-bytecode-files.me	2020-08-27 13:50:06.506653244 +0200
+++ qtwebkit-5.212.0-alpha4/Source/JavaScriptCore/generate-bytecode-files	2020-08-27 14:00:52.802018893 +0200
@@ -163,7 +163,7 @@ if __name__ == "__main__":
         initBytecodesFile = openOrExit(initASMFileName, "w")
 
     try:
-        bytecodeSections = json.load(bytecodeFile, encoding = "utf-8")
+        bytecodeSections = json.load(bytecodeFile)
     except:
         print("Unexpected error parsing {0}: {1}".format(bytecodeJSONFile, sys.exc_info()))