dde72f78a2
This CL allows the heap snapshot tool to load a file as it is launched via a command like ``` ../../../out/ReleaseX64/dart bin/explore.dart my_snapshot.heapsnapshot ``` Change-Id: I4eca4ec18daef4d3361c754018d234045e725ef5 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/275860 Commit-Queue: Jens Johansen <jensj@google.com> Reviewed-by: Martin Kustermann <kustermann@google.com>