STR: 1. Use a clean profile on Nightly and install the Gecko Profiler add-on from https://new.cleopatra.io/ 2. Make sure the profiler is running, and the "Show JIT Optimizations" checkbox under the Performance tab of devtools is off. 3. Profile bug 1269695 using Instruments, with Gecko Profiler also running. 4. See the screenshot which is the call to ObjectGroup::findAllocationSite().
Looks like I filed this twice! One bug is probably enough. :-)
No longer blocks: 1269695
Status: NEW → RESOLVED
Last Resolved: a year ago
Resolution: --- → DUPLICATE
Duplicate of bug: 1329873
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