Update V8 to r6768 as required by WebKit r78450
Change-Id: Ib8868ff7147a76547a8d1d85f257ebe8546a3d3f
diff --git a/src/execution.cc b/src/execution.cc
index 11dacfe..f484d8d 100644
--- a/src/execution.cc
+++ b/src/execution.cc
@@ -403,6 +403,7 @@
if (real_climit_ == kIllegalLimit) {
// Takes the address of the limit variable in order to find out where
// the top of stack is right now.
+ const uintptr_t kLimitSize = FLAG_stack_size * KB;
uintptr_t limit = reinterpret_cast<uintptr_t>(&limit) - kLimitSize;
ASSERT(reinterpret_cast<uintptr_t>(&limit) > kLimitSize);
real_jslimit_ = SimulatorStack::JsLimitFromCLimit(limit);