8f41c9194b
Use standard constant instead of gcc/clang specific extension. TEST=ci Change-Id: I4b6a8e2ad62f180bebac39c90fff62cd60857d2d Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/444440 Reviewed-by: Alexander Aprelev <aam@google.com> Commit-Queue: Alexander Markov <alexmarkov@google.com>