Fixed problem with test on big-endian-float ARM.

test/cctest/test-api.cc

Index: test/cctest/test-api.cc
diff --git a/test/cctest/test-api.cc b/test/cctest/test-api.cc
index 7ec5e64dc12ceb5105193d9743209c5580da3141..2673c2dc29ba04d0544a4b2e3000cd8b33405a55 100644
--- a/test/cctest/test-api.cc
+++ b/test/cctest/test-api.cc
@@ -8498,15 +8498,29 @@ THREADED_TEST(GetHeapStatistics) {
 
 
 static double DoubleFromBits(uint64_t value) {
+  const int kIntSize = 4;
   double target;
+#ifdef BIG_ENDIAN_FLOATING_POINT
+  // Somebody swapped the lower and higher half of doubles.
+  memcpy(&target, reinterpret_cast<char*>(&value) + kIntSize, kIntSize);
+  memcpy(reinterpret_cast<char*>(&target) + kIntSize, &value, kIntSize);
+#else
   memcpy(&target, &value, sizeof(target));
+#endif
   return target;
 }
 
 
 static uint64_t DoubleToBits(double value) {
+  const int kIntSize = 4;
   uint64_t target;
+#ifdef BIG_ENDIAN_FLOATING_POINT
+  // Somebody swapped the lower and higher half of doubles.
+  memcpy(&target, reinterpret_cast<char*>(&value) + kIntSize, kIntSize);
+  memcpy(reinterpret_cast<char*>(&target) + kIntSize, &value, kIntSize);
+#else
   memcpy(&target, &value, sizeof(target));
+#endif
   return target;
 }