use-of-uninitialized-value in LZ4HC InsertAndGetWiderMatch

use-of-uninitialized-value in LZ4HC InsertAndGetWiderMatch: a task in MiMo-V2.6-RL-oss: Agentic RL Environments (MiMo RL release). MemorySanitizer: use-of-uninitialized-value in function LZ4HC InsertAndGetWiderMatch in file lz4/lib/lz4hc.c

The task

MemorySanitizer: use-of-uninitialized-value in function LZ4HC_InsertAndGetWiderMatch in file lz4/lib/lz4hc.c

Part of XiaomiMiMo/MiMo-V2.6-RL-oss.