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8233656: assert(d->is_CFG() && n->is_CFG()) failed: must have CFG nodes

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Explicitly handle ProjNodes with TOP input.

Reviewed-by: kvn, vlivanov
This commit is contained in:
Tobias Hartmann 2019-11-13 08:43:35 +01:00
parent a05b6ae866
commit 7ba4fc4722
1 changed files with 4 additions and 1 deletions

5
src/hotspot/share/opto/phaseX.cpp

@ -891,7 +891,10 @@ Node *PhaseGVN::transform_no_reclaim( Node *n ) {
}
bool PhaseGVN::is_dominator_helper(Node *d, Node *n, bool linear_only) {
if (d->is_top() || n->is_top()) {
if (d->is_top() || (d->is_Proj() && d->in(0)->is_top())) {
return false;
}
if (n->is_top() || (n->is_Proj() && n->in(0)->is_top())) {
return false;
}
assert(d->is_CFG() && n->is_CFG(), "must have CFG nodes");