Implements catch on MIPS.

runtime/vm/exceptions_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 "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/dart_api_impl.h"
 #include "vm/unit_test.h"
 
 namespace dart {
 
-// Only ia32, x64, and arm can run execution tests.
-#if defined(TARGET_ARCH_IA32) ||                                               \
-    defined(TARGET_ARCH_X64) ||                                                \
-    defined(TARGET_ARCH_ARM)
-
 
 #define FUNCTION_NAME(name) UnhandledExcp_##name
 #define REGISTER_FUNCTION(name, count)                                         \
   { ""#name, FUNCTION_NAME(name), count },
 
 
 void FUNCTION_NAME(Unhandled_equals)(Dart_NativeArguments args) {
   NativeArguments* arguments = reinterpret_cast<NativeArguments*>(args);
   const Instance& expected = Instance::CheckedHandle(arguments->NativeArgAt(0));
   const Instance& actual = Instance::CheckedHandle(arguments->NativeArgAt(1));
@@ skipping 99 matching lines @@
       "}\n"
       "testMain() {\n"
       "  UnhandledExceptions.equals(2, Second.method1(1));\n"
       "  UnhandledExceptions.equals(3, Second.method3(1));\n"
       "}";
   Dart_Handle lib = TestCase::LoadTestScript(
       kScriptChars,
       reinterpret_cast<Dart_NativeEntryResolver>(native_lookup));
   EXPECT_VALID(Dart_Invoke(lib, NewString("testMain"), 0, NULL));
 }
-#endif  // TARGET_ARCH_IA32 || TARGET_ARCH_X64 || TARGET_ARCH_ARM
 
 }  // namespace dart