JDK-8194992 : Null pointer dereference in MultiNode::proj_out related to loopexit()
  • Type: Bug
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 10
  • Priority: P3
  • Status: Resolved
  • Resolution: Fixed
  • OS: generic
  • Submitted: 2018-01-12
  • Updated: 2019-09-13
  • Resolved: 2018-01-18
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JDK 10 JDK 11
10 b41Fixed 11Fixed
Related Reports
Relates :  
JDK-8186027 - C2: loop strip mining
Description
Null pointer dereference in MultiNode::proj_out of multnode.cpp:48
Comments
ILW = Potential null pointer dereference in loop strip mining code, never showed up, -XX:LoopStripMiningIter=0 = HLM = P3 I think this is a false positive, we are using loopexit()->proj_out() at many other places.
18-01-2018
Warning via PhaseIdealLoop::clone_outer_loop is new in 10.
16-01-2018