Mercurial > hg > truffle
diff src/share/vm/opto/phaseX.cpp @ 927:662f330d7275
6866651: Regression: simple int sum crashes jvm (build 1.6.0_14-b08 and 1.7.0-ea-b59)
Summary: delay dead code elimination in set_req_X to make it safe
Reviewed-by: kvn, never
author | cfang |
---|---|
date | Mon, 17 Aug 2009 12:11:06 -0700 |
parents | 98cb887364d3 |
children | 89e0543e1737 03b336640699 |
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--- a/src/share/vm/opto/phaseX.cpp Mon Aug 17 09:48:02 2009 -0700 +++ b/src/share/vm/opto/phaseX.cpp Mon Aug 17 12:11:06 2009 -0700 @@ -1622,9 +1622,11 @@ // old goes dead? if( old ) { switch (old->outcnt()) { - case 0: // Kill all his inputs, and recursively kill other dead nodes. + case 0: + // Put into the worklist to kill later. We do not kill it now because the + // recursive kill will delete the current node (this) if dead-loop exists if (!old->is_top()) - igvn->remove_dead_node( old ); + igvn->_worklist.push( old ); break; case 1: if( old->is_Store() || old->has_special_unique_user() )