Update v8 to bleeding_edge revision 3784
diff --git a/src/spaces.h b/src/spaces.h
index 37117f9..850a723 100644
--- a/src/spaces.h
+++ b/src/spaces.h
@@ -438,13 +438,16 @@
// and false otherwise.
static bool CommitBlock(Address start, size_t size, Executability executable);
-
// Uncommit a contiguous block of memory [start..(start+size)[.
// start is not NULL, the size is greater than zero, and the
// block is contained in the initial chunk. Returns true if it succeeded
// and false otherwise.
static bool UncommitBlock(Address start, size_t size);
+ // Zaps a contiguous block of memory [start..(start+size)[ thus
+ // filling it up with a recognizable non-NULL bit pattern.
+ static void ZapBlock(Address start, size_t size);
+
// Attempts to allocate the requested (non-zero) number of pages from the
// OS. Fewer pages might be allocated than requested. If it fails to
// allocate memory for the OS or cannot allocate a single page, this