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8066775: opto/node.hpp:355, assert(i < _max) failed: oob: i=1, _max=1

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Bad assumption on graph shape in CastIINode::Value if that part of the graph is becoming dead.

Reviewed-by: kvn
This commit is contained in:
Roland Westrelin 2014-12-05 18:03:15 +01:00
parent a7ebb442cf
commit 5974dd3005
1 changed files with 2 additions and 1 deletions
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3
hotspot/src/share/vm/opto/castnode.cpp
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@ -104,7 +104,8 @@ const Type *CastIINode::Value(PhaseTransform *phase) const {
// Try to improve the type of the CastII if we recognize a CmpI/If
// pattern.
if (_carry_dependency) {
if (in(0) != NULL && (in(0)->is_IfFalse() || in(0)->is_IfTrue())) {
if (in(0) != NULL && in(0)->in(0) != NULL && in(0)->in(0)->is_If()) {
assert(in(0)->is_IfFalse() || in(0)->is_IfTrue(), "should be If proj");
Node* proj = in(0);
if (proj->in(0)->in(1)->is_Bool()) {
Node* b = proj->in(0)->in(1);