Revert "VM: Array bounds checks that don't deoptimize for precompiled code."

runtime/vm/intrinsifier.cc

Index: runtime/vm/intrinsifier.cc
diff --git a/runtime/vm/intrinsifier.cc b/runtime/vm/intrinsifier.cc
index 15a0fa9275c5e0ae839856f01ee82d33846147c6..9e049d0541a8e92021d8713bbab6fed4390ae9dc 100644
--- a/runtime/vm/intrinsifier.cc
+++ b/runtime/vm/intrinsifier.cc
@@ -373,6 +373,12 @@ static void PrepareIndexedOp(BlockBuilder* builder,
                              Definition* array,
                              Definition* index,
                              intptr_t length_offset) {
+  TokenPosition token_pos = builder->TokenPos();
+  builder->AddInstruction(
+      new CheckSmiInstr(new Value(index),
+                        Thread::kNoDeoptId,
+                        token_pos));
+
   Definition* length = builder->AddDefinition(
       new LoadFieldInstr(new Value(array),
                          length_offset,