Implement eager instantiation and canonicalization of type arguments at run

runtime/vm/intermediate_language_arm.cc

Index: runtime/vm/intermediate_language_arm.cc
===================================================================
--- runtime/vm/intermediate_language_arm.cc	(revision 32446)
+++ runtime/vm/intermediate_language_arm.cc	(working copy)
@@ -1931,25 +1931,6 @@
 }
 
 
-LocationSummary*
-AllocateObjectWithBoundsCheckInstr::MakeLocationSummary(bool opt) const {
-  return MakeCallSummary();
-}
-
-
-void AllocateObjectWithBoundsCheckInstr::EmitNativeCode(
-    FlowGraphCompiler* compiler) {
-  compiler->GenerateRuntimeCall(token_pos(),
-                                deopt_id(),
-                                kAllocateObjectWithBoundsCheckRuntimeEntry,
-                                3,
-                                locs());
-  __ Drop(3);
-  ASSERT(locs()->out().reg() == R0);
-  __ Pop(R0);  // Pop new instance.
-}
-
-
 class BoxDoubleSlowPath : public SlowPathCode {
  public:
   explicit BoxDoubleSlowPath(Instruction* instruction)
@@ -2164,8 +2145,7 @@
   Register instantiator_reg = locs()->in(0).reg();
   Register result_reg = locs()->out().reg();
 
-  // 'instantiator_reg' is the instantiator AbstractTypeArguments object
-  // (or null).
+  // 'instantiator_reg' is the instantiator TypeArguments object (or null).
   // A runtime call to instantiate the type is required.
   __ PushObject(Object::ZoneHandle());  // Make room for the result.
   __ PushObject(type());
@@ -2198,8 +2178,7 @@
   Register instantiator_reg = locs()->in(0).reg();
   Register result_reg = locs()->out().reg();
 
-  // 'instantiator_reg' is the instantiator AbstractTypeArguments object
-  // (or null).
+  // 'instantiator_reg' is the instantiator TypeArguments object (or null).
   ASSERT(!type_arguments().IsUninstantiatedIdentity() &&
          !type_arguments().CanShareInstantiatorTypeArguments(
              instantiator_class()));
@@ -2248,8 +2227,8 @@
   Register result_reg = locs()->out().reg();
   ASSERT(instantiator_reg == result_reg);
 
-  // instantiator_reg is the instantiator type argument vector, i.e. an
-  // AbstractTypeArguments object (or null).
+  // instantiator_reg is the instantiator type argument vector,
+  // i.e. a TypeArguments object (or null).
   ASSERT(!type_arguments().IsUninstantiatedIdentity() &&
          !type_arguments().CanShareInstantiatorTypeArguments(
              instantiator_class()));
@@ -2289,8 +2268,7 @@
   Register instantiator_reg = locs()->in(0).reg();
   ASSERT(locs()->out().reg() == instantiator_reg);
 
-  // instantiator_reg is the instantiator AbstractTypeArguments object
-  // (or null).
+  // instantiator_reg is the instantiator TypeArguments object (or null).
   ASSERT(!type_arguments().IsUninstantiatedIdentity() &&
          !type_arguments().CanShareInstantiatorTypeArguments(
              instantiator_class()));