139ff289db
Before each allocation, check the memory hasn't been touched since page initialization. This more reliably detects the issue fixed in a4381f127c.
TEST=ci
Change-Id: I5c0ed0a18a32515eab2ae90110b5a7e7f48779dc
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/325366
Commit-Queue: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Siva Annamalai <asiva@google.com>