689852e3f0
This wasn't caught by default CI builders, because default configurations use `pkg/dart2wasm/tool/compile_benchmark` which passes all unknown flags to the compiler (for convenience of local development) but `dart compile wasm` doesn't Change-Id: I6a92d3f04848e027c92b1feee3d54e7efba9fd27 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/371661 Commit-Queue: Martin Kustermann <kustermann@google.com> Reviewed-by: Ömer Ağacan <omersa@google.com>