69817eea18
This is the partial revert of the
8d6bc876f0
That CL caused noticeable slowdown of gen_snapshot on Mac and Windows.
Reverting this part of the CL fixes regression.
Closes https://github.com/dart-lang/sdk/issues/30317
R=zra@google.com
Review-Url: https://codereview.chromium.org/2998473002 .