Multithread compile causes strange "indentation" #5843
Description
Multithread compile causes strange "indentation", this happens on randomly:
This works correctly in msys2-x86_64-20250221 but not in msys2-x86_64-20250622 and later.
And in windows terminal, the strange "indentation" becomes some strange unicode:
Expected output in both cases should be (correct in msys2-x86_64-20250221):
