Roll src/third_party/dart 82c8c78739..b48c8b1d1c (5 commits) (#9021)

b48c8b1d1c [vm] Re-order ICData entries to allow CID and count to be accessed with a load-pair.
959e7df20e Remove 'await null' in build mode.
59381cd8d0 Fix summary2 linking when using API summaries, which don't include line starts.
59bcb38db7 Report the missing library in LinkedElementFactory.
f9402d635a [vm] Get script of closure from owner as parent function may contain wrong script
https://dart.googlesource.com/external/github.com/flutter/engine/+/e3772232c2d24c174beac7ef03dff63907cdda46
1 file changed
tree: 70bff0f792cb63811d75a10ae9564e85b74c9c61
  1. commits.json