Update To 11.40.268.0

[platform/framework/web/crosswalk.git] / src / v8 / src / base / utils / random-number-generator.cc

diff --git a/src/v8/src/base/utils/random-number-generator.cc b/src/v8/src/base/utils/random-number-generator.cc
index 9454936..29a48ff 100644 (file)
--- a/src/v8/src/base/utils/random-number-generator.cc
+++ b/src/v8/src/base/utils/random-number-generator.cc
@@ -79,7 +79,7 @@ RandomNumberGenerator::RandomNumberGenerator() {
 
 
 int RandomNumberGenerator::NextInt(int max) {
-  DCHECK_LE(0, max);
+  DCHECK_LT(0, max);
 
   // Fast path if max is a power of 2.
   if (IS_POWER_OF_TWO(max)) {
@@ -102,6 +102,13 @@ double RandomNumberGenerator::NextDouble() {
 }
 
 
+int64_t RandomNumberGenerator::NextInt64() {
+  uint64_t lo = bit_cast<unsigned>(Next(32));
+  uint64_t hi = bit_cast<unsigned>(Next(32));
+  return lo | (hi << 32);
+}
+
+
 void RandomNumberGenerator::NextBytes(void* buffer, size_t buflen) {
   for (size_t n = 0; n < buflen; ++n) {
     static_cast<uint8_t*>(buffer)[n] = static_cast<uint8_t>(Next(8));