一、编译报错：ld: Assertion failed: (it != _dylibToOrdinal.end()), function dylibToOrdinal, file OutputFile.cpp, line 5196.
clang++: error: linker command failed with exit code 1 (use -v to see invocation)
解决方法：
1、移除 -ld_classic
2、添加****"-Xlinker"**** 和 -allow_dead_duplicates
