Avoid numerous type allocations by caching the canonical type of a class, which

runtime/vm/dart_api_impl_test.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "bin/builtin.h"
 #include "include/dart_api.h"
 #include "include/dart_mirrors_api.h"
 #include "include/dart_native_api.h"
 #include "include/dart_tools_api.h"
 #include "platform/assert.h"
@@ skipping 3962 matching lines @@
   EXPECT_VALID(Dart_ObjectIsType(type2_obj, type3, &instanceof));
   EXPECT(instanceof);
   EXPECT_VALID(Dart_ObjectIsType(type2_obj, type4, &instanceof));
   EXPECT(instanceof);
   type2_obj = Dart_Invoke(lib, NewString("getMyClass2Type"), 0, NULL);
   EXPECT_VALID(type2_obj);
   EXPECT(Dart_IdentityEquals(type2, type2_obj));
 }
 
 
-TEST_CASE(TypeGetParamterizedTypes) {
+TEST_CASE(TypeGetParameterizedTypes) {
   const char* kScriptChars =
       "class MyClass0<A, B> {\n"
       "}\n"
       "\n"
       "class MyClass1<A, C> {\n"
       "}\n"
       "MyClass0 getMyClass0() {\n"
       "  return new MyClass0<int, double>();\n"
       "}\n"
       "Type getMyClass0Type() {\n"
@@ skipping 5421 matching lines @@
   // Heartbeat test.
   EXPECT_SUBSTRING("\"cat\":\"Compiler\"", buffer);
   EXPECT_SUBSTRING("\"name\":\"CompileFunction\"", buffer);
   EXPECT_SUBSTRING("\"function\":\"::_main\"", buffer);
 
   // Free buffer allocated by AppendStreamConsumer
   free(data.buffer);
 }
 
 }  // namespace dart