413d9e9be4
Ensure that liveness analysis as part of register allocation takes into account try-catch implicit data flow. Fixes https://github.com/dart-lang/sdk/issues/60017 TEST=nested_try_throw_environment_test Change-Id: I6013942f8f4b78655938765e11859008c28cb9e2 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/408421 Reviewed-by: Slava Egorov <vegorov@google.com> Commit-Queue: Alexander Aprelev <aam@google.com>