[webkit-changes] [WebKit/WebKit] 424a5b: [JSC] ASSERTION FAILED: oldStructure == newStructu...

[Michael Saboff]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 424a5b978e6443f677a35ac612bc131d9dd5c32e
      https://github.com/WebKit/WebKit/commit/424a5b978e6443f677a35ac612bc131d9dd5c32e
  Author: Michael Saboff <msaboff at apple.com>
  Date:   2024-10-30 (Wed, 30 Oct 2024)

  Changed paths:
    A JSTests/stress/put-by-id-no-crash-interpreter.js
    M Source/JavaScriptCore/llint/LLIntSlowPaths.cpp

  Log Message:
  -----------
  [JSC] ASSERTION FAILED: oldStructure == newStructure->previousID()
https://bugs.webkit.org/show_bug.cgi?id=282342
rdar://138178461

Reviewed by Yijia Huang and Yusuke Suzuki.

Folded the ASSERT and corresponding *if* into the enclosing *if*.  Added a new test that creates the conditions
that would hit the deleted ASSERT.

* JSTests/stress/put-by-id-no-crash-interpreter.js: Added.
(shouldBe):
(createDictionary):
(putWithSideEffects):
* Source/JavaScriptCore/llint/LLIntSlowPaths.cpp:
(JSC::LLInt::LLINT_SLOW_PATH_DECL):

Canonical link: https://commits.webkit.org/285932@main



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