commit 257744e915dfc84d6d07a6b2accf8402d9ffc708
author Ben Murdoch <benm@google.com> Wed Nov 30 15:57:28 2011 +0000
committer Ben Murdoch <benm@google.com> Fri Dec 02 17:27:08 2011 +0000
tree 19d8782d5686697f36b1771e7fcd46f290b82c3c
parent 92022043ea907575278de828a5c9cf6939b51e5e

Upgrade to V8 3.3

Merge V8 at 3.3.10.39

Simple merge required updates to makefiles only.

Bug: 5688872
Change-Id: I14703f418235f5ce6013b9b3e2e502407a9f6dfd

src/spaces-inl.h

diff --git a/src/spaces-inl.h b/src/spaces-inl.h
index 070f970..f5f6654 100644
--- a/src/spaces-inl.h
+++ b/src/spaces-inl.h
@@ -155,7 +155,8 @@
 
 uint32_t Page::GetRegionMaskForSpan(Address start, int length_in_bytes) {
   uint32_t result = 0;
-  if (length_in_bytes >= kPageSize) {
+  static const intptr_t kRegionMask = (1 << kRegionSizeLog2) - 1;
+  if (length_in_bytes + (OffsetFrom(start) & kRegionMask) >= kPageSize) {
     result = kAllRegionsDirtyMarks;
   } else if (length_in_bytes > 0) {
     int start_region = GetRegionNumberForAddress(start);