XS: version 8.8.0, xst executable, 64 bits, compiled with -O3. The engine cannot correctly run the RegExp test, so it was disabled. MuJS: version 1.0.6, mujs executable, 64 bits, compiled with -O2. JS_STACKSIZE and JS_ENVLIMIT were increased to 32768 to run EarleyBoyer. REG_MAXSUB was increased to 12 to run RegExp. JerryScript: git version 2b8c4286, jerry executable, 64 bits.