Bug Report

the following example makes tsc hang indefinitely with version 4.5, but compiles fine with 4.4.4:

example: https://github.com/stefanprobst/issue-tsc

also see the discussion here: unifiedjs/unified#175

🔎 Search Terms

hangs

🕗 Version & Regression Information

• This is a crash: tsc hangs, but does not give an error message
• This changed between versions 4.4.4 and 4.5.2 (same behavior also in current @next version)

⏯ Playground Link

link to a reproduction repo above

💻 Code

🙁 Actual behavior

tsc hangs indefinitely without error message

🙂 Expected behavior

tsc finishing compilation, or giving indication what's wrong