Kaushik Iska 929de2e3bf RTM must to acquire lock before called IsMergedUnsafe (flutter/engine#28514)
I was able to reproduce this on a windows machine with 10000 runs
of this test semi-consistently prior to this fix. After this fix
it seems to have stopped happening.

Fixes: https://github.com/flutter/flutter/issues/88464
2021-09-09 09:30:11 -04:00
..