LITERAL_NUM_SLOTS_SHIFT   27 ext/opcache/Optimizer/compact_literals.c #define LITERAL_NUM_SLOTS(info)   ((info & LITERAL_NUM_SLOTS_MASK) >> LITERAL_NUM_SLOTS_SHIFT)
LITERAL_NUM_SLOTS_SHIFT   37 ext/opcache/Optimizer/compact_literals.c 	((kind) | ((slots) << LITERAL_NUM_SLOTS_SHIFT) | (related))