CCR-Bench: A Comprehensive Benchmark for Evaluating LLMs on Complex Constraints, Control Flows, and Real-World Cases. - Xiaona Xue; Yiqiao Huang; Jiacheng Li; Yuanhang Zheng; Huiqi Miao; Yunfei Ma; Rui Liu; Xinbao Sun; Minglu Liu; Fanyu Meng; Chao Deng 002; Junlan Feng (CoRR, 2026)