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

runtime/vm/intermediate_language_ia32.cc

Index: runtime/vm/intermediate_language_ia32.cc
diff --git a/runtime/vm/intermediate_language_ia32.cc b/runtime/vm/intermediate_language_ia32.cc
index 34555dc6410020d71ea407e3828af4c95d13ddbe..5518ad4b6a27f0cb60b424747dc8c11f55af745f 100644
--- a/runtime/vm/intermediate_language_ia32.cc
+++ b/runtime/vm/intermediate_language_ia32.cc
@@ -5871,6 +5871,20 @@ void CheckClassIdInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
 }
 
 
+LocationSummary* GenericCheckBoundInstr::MakeLocationSummary(Zone* zone,
+                                                             bool opt) const {
+  // Only needed for AOT.
+  UNIMPLEMENTED();
+  return NULL;
+}
+
+
+void GenericCheckBoundInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
+  // Only needed for AOT.
+  UNIMPLEMENTED();
+}
+
+
 // Length: register or constant.
 // Index: register, constant or stack slot.
 LocationSummary* CheckArrayBoundInstr::MakeLocationSummary(Zone* zone,