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7128352: assert(obj_node == obj) failed

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Compare uncasted object nodes.

Reviewed-by: never
This commit is contained in:
Vladimir Kozlov 2012-01-10 18:05:38 -08:00
parent 94927c382b
commit 791afc42da
11 changed files with 44 additions and 32 deletions
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16
hotspot/src/share/vm/opto/node.cpp
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@ -833,8 +833,20 @@ Node* Node::uncast() const {
//---------------------------uncast_helper-------------------------------------
Node* Node::uncast_helper(const Node* p) {
uint max_depth = 3;
for (uint i = 0; i < max_depth; i++) {
#ifdef ASSERT
uint depth_count = 0;
const Node* orig_p = p;
#endif
while (true) {
#ifdef ASSERT
if (depth_count >= K) {
orig_p->dump(4);
if (p != orig_p)
p->dump(1);
}
assert(depth_count++ < K, "infinite loop in Node::uncast_helper");
#endif
if (p == NULL || p->req() != 2) {
break;
} else if (p->is_ConstraintCast()) {