src/share/vm/opto/macroArrayCopy.cpp
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*** old/src/share/vm/opto/macroArrayCopy.cpp Fri Jan 8 09:42:43 2016
--- new/src/share/vm/opto/macroArrayCopy.cpp Fri Jan 8 09:42:43 2016
*** 293,303 ****
--- 293,303 ----
// If so, we will take responsibility here for initializing it to zero.
// (Note: Because tightly_coupled_allocation performs checks on the
// out-edges of the dest, we need to avoid making derived pointers
// from it until we have checked its uses.)
if (ReduceBulkZeroing
! && !ZeroTLAB // pointless if already zeroed
! && !(UseTLAB && ZeroTLAB) // pointless if already zeroed
&& basic_elem_type != T_CONFLICT // avoid corner case
&& !src->eqv_uncast(dest)
&& alloc != NULL
&& _igvn.find_int_con(alloc->in(AllocateNode::ALength), 1) > 0
&& alloc->maybe_set_complete(&_igvn)) {
src/share/vm/opto/macroArrayCopy.cpp
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