This documents commit
aec64798, "Cygwin: add flag to indicate reparse
points unknown to WinAPI".
- Fix return value of sqrtl on negative infinity.
Addresses: https://cygwin.com/pipermail/cygwin/2020-October/246606.html
+- Fix a path handling problem if there is a WSL symlink in PATH.
+ Addresses: https://cygwin.com/pipermail/cygwin/2020-December/246938.html
+
- Fix a bug in fstatat(2) on 32 bit that could cause it to return garbage.
Addresses: https://cygwin.com/pipermail/cygwin/2021-January/247399.html