36054eeeaf
CompileType has a separate is_nullable() property, so testing nullability of Dart type obtained via ToAbstractType() is not sufficient. Fixes https://github.com/dart-lang/sdk/issues/56756 TEST=runtime/tests/vm/dart/regress_56756_il_test.dart Change-Id: Ifac09889dcd97d0b203f784a94e5b9085f3be8c8 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/386360 Reviewed-by: Ryan Macnak <rmacnak@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com> Auto-Submit: Alexander Markov <alexmarkov@google.com>