use-of-uninitialized-value in dav1d get cpu flags x86

use-of-uninitialized-value in dav1d get cpu flags x86: a task in MiMo-V2.6-RL-harbor-cyber: MiMo-V2.6-RL Cyber (Harbor) (Harbor dataset). MemorySanitizer: use-of-uninitialized-value in function dav1d get cpu flags x86 in file dav1d/src/x86/cpu.c