**Describe the bug** File `lex.h`. Line `320`. Expression `global_token_order == 0`. **To Reproduce** Steps to reproduce the behavior: 1. Download source code of cppfront. 2. Compile cppfront. 2. Run cppfront on test.cpp2 file. 3. Assert triggers inside cppfront. **Additional context** Test.cpp2 file's content is only 24 bytes long and it is: `nI:(Q):floatl:()h:r:~-=:`.