WTF::Vector: Fix primitive types identified as not safe to memcpy.

third_party/WebKit/Source/wtf/VectorTest.cpp

 /*
  * Copyright (C) 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 670 matching lines @@
 
     // Exact match.
     Vector<int, 1> vector3(3);
     vector3 = {1, 2, 3};
     ASSERT_EQ(3u, vector3.size());
     EXPECT_EQ(1, vector3[0]);
     EXPECT_EQ(2, vector3[1]);
     EXPECT_EQ(3, vector3[2]);
 }
 
+static_assert(VectorTraits<int>::canCopyWithMemcpy, "int should be copied with memcopy.");
+static_assert(VectorTraits<char>::canCopyWithMemcpy, "char should be copied with memcpy.");
+static_assert(VectorTraits<LChar>::canCopyWithMemcpy, "LChar should be copied with memcpy.");
+static_assert(VectorTraits<UChar>::canCopyWithMemcpy, "UChar should be copied with memcpy.");
+
+class UnknownType;
+static_assert(VectorTraits<UnknownType*>::canCopyWithMemcpy, "Pointers should be copied with memcpy.");
+
 } // anonymous namespace
 
 } // namespace WTF