dart2js: fix crash on setter with FutureOr type.
TBR=johnniwinther@google.com
Change-Id: Idc82430ccbee697201401ed7ebcb11c34cb3d8ce
Reviewed-on: https://dart-review.googlesource.com/71429
Reviewed-by: Stephen Adams <sra@google.com>
Commit-Queue: Stephen Adams <sra@google.com>
diff --git a/pkg/compiler/lib/src/ssa/optimize.dart b/pkg/compiler/lib/src/ssa/optimize.dart
index e5759ba..9a5f781 100644
--- a/pkg/compiler/lib/src/ssa/optimize.dart
+++ b/pkg/compiler/lib/src/ssa/optimize.dart
@@ -1092,7 +1092,8 @@
DartType type = _closedWorld.elementEnvironment.getFieldType(field);
if (!type.treatAsRaw ||
type.isTypeVariable ||
- type.unaliased.isFunctionType) {
+ type.unaliased.isFunctionType ||
+ type.unaliased.isFutureOr) {
// We cannot generate the correct type representation here, so don't
// inline this access.
// TODO(sra): If the input is such that we don't need a type check, we
