[webkit-changes] [WebKit/WebKit] dd9902: [JSC] iterationCount should not be zero in LoopUnr...

[Yijia Huang]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: dd99022353b49f33dc78b57e34c3b18087a2f187
      https://github.com/WebKit/WebKit/commit/dd99022353b49f33dc78b57e34c3b18087a2f187
  Author: Yijia Huang <yijia_huang at apple.com>
  Date:   2025-01-06 (Mon, 06 Jan 2025)

  Changed paths:
    A JSTests/stress/loop-unrolling-with-zero-iterations.js
    M Source/JavaScriptCore/dfg/DFGLoopUnrollingPhase.cpp

  Log Message:
  -----------
  [JSC] iterationCount should not be zero in LoopUnrollingPhase
https://bugs.webkit.org/show_bug.cgi?id=285439
rdar://142274884

Reviewed by Keith Miller and Yusuke Suzuki.

* Source/JavaScriptCore/dfg/DFGLoopUnrollingPhase.cpp:
(JSC::DFG::LoopUnrollingPhase::identifyInductionVariable):
(JSC::DFG::LoopUnrollingPhase::unrollLoop):

Canonical link: https://commits.webkit.org/288482@main



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