IE11 - F12 crashes 1 step beyond breakpoint on new Array() -- when typing in javascript console bar.

Not reproducible Issue #908950


Oct 2, 2014
This issue is public.
Reported by 0 people

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Steps to reproduce


Repro Steps:

Open Taskmgr:

Step 1. Load included sample
Step 2. Set breakpoint at var list=new Array() **** Breakpoint must be here****
Step 3. Refresh page (trigger breakpoint)
Step 4. Single-step execute var list=new Array()
Step 5. Type “list” (or anything) in console bar below
Step 6. In TaskMgr, see cpu peg 100%, memory growth spill over into pagefile
Step 6b. (or maybe see crash dialog)

Expected Results:

not crash

Actual Results:

Dev Channel specific:



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    Comments and activity

    • Microsoft Edge Team

      Changed Assigned To to “Tony S.”

      Changed Assigned To from “Tony S.” to “Axel A.”

      Changed Assigned To from “Axel A.” to “Eric A.”

      Changed Status to “Confirmed”

      Changed Assigned To to “Ben K.”

      Changed Assigned To from “Ben K.” to “Eric J.”

      Changed Assigned To from “Eric J.” to “IE F.”

      Changed Status from “Confirmed” to “Not reproducible”

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