Allow using native JS []= on typed data lists.

sdk/lib/_internal/compiler/implementation/ssa/value_range_analyzer.dart

Index: sdk/lib/_internal/compiler/implementation/ssa/value_range_analyzer.dart
diff --git a/sdk/lib/_internal/compiler/implementation/ssa/value_range_analyzer.dart b/sdk/lib/_internal/compiler/implementation/ssa/value_range_analyzer.dart
index 8e8009463eda5b1e4d50cf3ff2389eca7ce08f73..d8635f6a156215f0960111210eb3baf0e90916c6 100644
--- a/sdk/lib/_internal/compiler/implementation/ssa/value_range_analyzer.dart
+++ b/sdk/lib/_internal/compiler/implementation/ssa/value_range_analyzer.dart
@@ -550,13 +550,14 @@ class SsaValueRangeAnalyzer extends HBaseVisitor implements OptimizationPhase {
    */
   final Map<HInstruction, Range> ranges = new Map<HInstruction, Range>();
 
+  final Compiler compiler;
   final ConstantSystem constantSystem;
   final ValueRangeInfo info;
 
   CodegenWorkItem work;
   HGraph graph;
 
-  SsaValueRangeAnalyzer(constantSystem, this.work)
+  SsaValueRangeAnalyzer(this.compiler, constantSystem, this.work)
       : info = new ValueRangeInfo(constantSystem),
         this.constantSystem = constantSystem;
 
@@ -629,7 +630,7 @@ class SsaValueRangeAnalyzer extends HBaseVisitor implements OptimizationPhase {
 
   Range visitFieldGet(HFieldGet fieldGet) {
     if (!fieldGet.isInteger()) return info.newUnboundRange();
-    if (!fieldGet.receiver.isIndexablePrimitive()) {
+    if (!fieldGet.receiver.isIndexable(compiler)) {
       return visitInstruction(fieldGet);
     }
     LengthValue value = info.newLengthValue(fieldGet);