VMEM_STACK_DEPTH
(depth == 0 || depth > VMEM_STACK_DEPTH);
depth = MIN(vs.vs_depth, VMEM_STACK_DEPTH);
depth = MIN(vs.vs_depth, VMEM_STACK_DEPTH);
(depth == 0 || depth > VMEM_STACK_DEPTH);
uintptr_t vs_stack[VMEM_STACK_DEPTH];
VMEM_STACK_DEPTH, 0);
VMEM_STACK_DEPTH);
pc_t vs_stack[VMEM_STACK_DEPTH];