Merge V8 at r10446: Roll to 3.6.6.19

Bug: 5688872
Change-Id: Ie6be41e043db4e38abeb6b8d92761d7cc2c294bf
diff --git a/src/frames.cc b/src/frames.cc
index bebd10a..60b1aad 100644
--- a/src/frames.cc
+++ b/src/frames.cc
@@ -1187,7 +1187,8 @@
   isolate_->counters()->pc_to_code()->Increment();
   ASSERT(IsPowerOf2(kPcToCodeCacheSize));
   uint32_t hash = ComputeIntegerHash(
-      static_cast<uint32_t>(reinterpret_cast<uintptr_t>(pc)));
+      static_cast<uint32_t>(reinterpret_cast<uintptr_t>(pc)),
+      v8::internal::kZeroHashSeed);
   uint32_t index = hash & (kPcToCodeCacheSize - 1);
   PcToCodeCacheEntry* entry = cache(index);
   if (entry->pc == pc) {