jiawei liang

**Describe the bug (描述bug)** brpc使用clang编译时,运行example/streaming_echo_c++会出现core dump **To Reproduce (复现方法)** 编译brpc: `mkdir build && cd build export CXX=clang++ cmake .. -G Ninja && ninja ` 编译/example/streaming_echo_c++ `mkdir build && cd build...