Add ./tools/test.py -c precompiler -r dart_precompiled.

runtime/bin/platform.cc

Index: runtime/bin/platform.cc
diff --git a/runtime/bin/platform.cc b/runtime/bin/platform.cc
index 0ed2bd364fd10eec6d347472f6233379e94a3cc1..20e0e3fc2c2a263503b5e91a2b678f8947a7e72a 100644
--- a/runtime/bin/platform.cc
+++ b/runtime/bin/platform.cc
@@ -46,12 +46,23 @@ void FUNCTION_NAME(Platform_LocalHostname)(Dart_NativeArguments args) {
 
 void FUNCTION_NAME(Platform_ExecutableName)(Dart_NativeArguments args) {
   ASSERT(Platform::GetExecutableName() != NULL);
+  if (Dart_IsRunningPrecompiledCode()) {
+    Dart_ThrowException(Dart_NewStringFromCString(
+        "Platform.executable not supported under precompilation"));
+    UNREACHABLE();
+  }
   Dart_SetReturnValue(
       args, Dart_NewStringFromCString(Platform::GetExecutableName()));
 }
 
 
 void FUNCTION_NAME(Platform_ResolvedExecutableName)(Dart_NativeArguments args) {
+  if (Dart_IsRunningPrecompiledCode()) {
+    Dart_ThrowException(Dart_NewStringFromCString(
+        "Platform.resolvedExecutable not supported under precompilation"));
+    UNREACHABLE();
+  }
+
   if (Platform::GetResolvedExecutableName() != NULL) {
     Dart_SetReturnValue(
         args, Dart_NewStringFromCString(Platform::GetResolvedExecutableName()));