use-of-uninitialized-value in round

use-of-uninitialized-value in round: a task in MiMo-V2.6-RL-oss: Agentic RL Environments (MiMo RL release). MemorySanitizer: use-of-uninitialized-value in function round in file skia/src/jumper/SkJumper stages.cpp