Comment #1 on issue 1564 by [email protected]: src/deoptimizer.cc:1465:
warning: dereferencing type-punned pointer will break strict-aliasing rules
http://code.google.com/p/v8/issues/detail?id=1564
Here is a patch you guys can use. I signed the CLA a while ago.
diff --git a/deps/v8/src/deoptimizer.cc b/deps/v8/src/deoptimizer.cc
index 175ee6e..88a82d7 100644
--- a/deps/v8/src/deoptimizer.cc
+++ b/deps/v8/src/deoptimizer.cc
@@ -1462,7 +1462,14 @@ DeoptimizedFrameInfo::~DeoptimizedFrameInfo() {
}
void DeoptimizedFrameInfo::Iterate(ObjectVisitor* v) {
- v->VisitPointer(reinterpret_cast<Object**>(&function_));
+ union {
+ JSFunction** fun;
+ Object** obj;
+ } pun;
+
+ pun.fun = &function_;
+
+ v->VisitPointer(pun.obj);
v->VisitPointers(parameters_, parameters_ + parameters_count_);
v->VisitPointers(expression_stack_, expression_stack_ +
expression_count_);
}
--
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