Change RelocInfo to write 64-bit data field on x64 architecture.

test/cctest/test-utils.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 134 matching lines @@
   CHECK_EQ(-1, FastD2I(-1.0));
   CHECK_EQ(0, FastD2I(0.0));
   CHECK_EQ(1, FastD2I(1.0));
   CHECK_EQ(1000000, FastD2I(1000000.0));
 
   CHECK_EQ(-1000000, FastD2I(-1000000.123));
   CHECK_EQ(-1, FastD2I(-1.234));
   CHECK_EQ(0, FastD2I(0.345));
   CHECK_EQ(1, FastD2I(1.234));
   CHECK_EQ(1000000, FastD2I(1000000.123));
+  // Check that >> is implemented as arithmetic shift right.
+  // If this is not true, then ArithmeticShiftRight() must be changed,
+  // There are also documented right shifts in assembler.cc of
+  // int8_t and intptr_t signed integers.
+  CHECK_EQ(-2, -8 >> 2);
+  CHECK_EQ(-2, static_cast<int8_t>(-8) >> 2);
+  CHECK_EQ(-2, static_cast<intptr_t>(-8) >> 2);
 }
 
 
 TEST(SNPrintF) {
   // Make sure that strings that are truncated because of too small
   // buffers are zero-terminated anyway.
   const char* s = "the quick lazy .... oh forget it!";
   int length = strlen(s);
   for (int i = 1; i < length * 2; i++) {
     static const char kMarker = static_cast<char>(42);
     Vector<char> buffer = Vector<char>::New(i + 1);
     buffer[i] = kMarker;
     int n = OS::SNPrintF(Vector<char>(buffer.start(), i), "%s", s);
     CHECK(n <= i);
     CHECK(n == length || n == -1);
     CHECK_EQ(0, strncmp(buffer.start(), s, i - 1));
     CHECK_EQ(kMarker, buffer[i]);
     if (i <= length) {
       CHECK_EQ(i - 1, strlen(buffer.start()));
     } else {
       CHECK_EQ(length, strlen(buffer.start()));
     }
     buffer.Dispose();
   }
 }
-
-
-// Issue 358: When copying EmbeddedVector, Vector::start_ must point
-// to the buffer in the copy, not in the source.
-TEST(EmbeddedVectorCopy) {
-  EmbeddedVector<int, 1> src;
-  src[0] = 100;
-  EmbeddedVector<int, 1> dst = src;
-  CHECK_NE(src.start(), dst.start());
-  CHECK_EQ(src[0], dst[0]);
-  src[0] = 200;
-  CHECK_NE(src[0], dst[0]);
-}
-
-
-// Also Issue 358, assignment case.
-TEST(EmbeddedVectorAssign) {
-  EmbeddedVector<int, 1> src;
-  src[0] = 100;
-  EmbeddedVector<int, 1> dst;
-  dst[0] = 200;
-  CHECK_NE(src.start(), dst.start());
-  CHECK_NE(src[0], dst[0]);
-  dst = src;
-  CHECK_NE(src.start(), dst.start());
-  CHECK_EQ(src[0], dst[0]);
-  src[0] = 200;
-  CHECK_NE(src[0], dst[0]);
-}