Fix Mac IA32 build breakage

runtime/vm/dart_api_impl_test.cc

Index: runtime/vm/dart_api_impl_test.cc
diff --git a/runtime/vm/dart_api_impl_test.cc b/runtime/vm/dart_api_impl_test.cc
index 85f1fbbd70a2887ec38e19726b413399d11be663..fb8c433d118b8810c09b03414d25c8b5241250aa 100644
--- a/runtime/vm/dart_api_impl_test.cc
+++ b/runtime/vm/dart_api_impl_test.cc
@@ -7160,7 +7160,7 @@ void NewNativePort_send123(Dart_Port dest_port_id,
 
   // Check peer validity.
   EXPECT_NOTNULL(peer);
-  EXPECT_EQ(0xDEADBEEF, *static_cast<intptr_t*>(peer));
+  EXPECT_EQ(static_cast<intptr_t>(0xDEADBEEF), *static_cast<intptr_t*>(peer));

[Florian Schneider, 2017/01/30 22:13:23]

I think the l-suffix should work, but have not confirmed it: 0xDEADBEEFl

   *static_cast<intptr_t*>(peer) = 123;
 
   // Post integer value.
@@ -7183,7 +7183,7 @@ void NewNativePort_send321(Dart_Port dest_port_id,
 
   // Check peer validity.
   EXPECT_NOTNULL(peer);
-  EXPECT_EQ(0xDEADBEEF, *static_cast<intptr_t*>(peer));
+  EXPECT_EQ(static_cast<intptr_t>(0xDEADBEEF), *static_cast<intptr_t*>(peer));
   *static_cast<intptr_t*>(peer) = 321;
 
   // Post integer value.