JDK-8044533 : Deoptimizing negation produces wrong result for zero
  • Type: Bug
  • Component: core-libs
  • Affected Version: 9
  • Priority: P2
  • Status: Closed
  • Resolution: Fixed
  • OS: generic
  • CPU: generic
  • Submitted: 2014-06-02
  • Updated: 2015-01-21
  • Resolved: 2014-06-03
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JDK 8 JDK 9
8u40Fixed 9 b17Fixed
Description
print(1/(function() { var f = 0; return -f; })())

Correct result is -Infinity. Under optimistic compilation with static type calculation, this produces Infinity.
Comments
verified in 9b25
05-08-2014