JDK-8174164 : SafePointNode::_replaced_nodes breaks with irreducible loops
  • Type: Bug
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 8,9
  • Priority: P3
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2017-02-08
  • Updated: 2017-11-29
  • Resolved: 2017-02-16
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10Fixed 8u141Fixed 9 b159Fixed openjdk7uFixed
Related Reports
Relates :  
Handling of SafePointNode::_replaced_nodes is incompatible with irreducible loops: replaced nodes can be propagated and applied before all predecessor blocks are processed which can lead to a broken graph. This was observed by one of our customers (crash in the compiler). The compilation in that case is an OSR compilation: OSR compilations can cause irreducible loops to appear even if the methods to be compiled have no irreducible loop.