Regressions in System.Collections.Tests.Perf_PriorityQueue<Int32, Int32>

### Run Information

Architecture | x64
-- | --
OS | Windows 10.0.18362
Baseline | [5d6c8aa343bcd62cfb2f2a4b2364e39623ebf34d](https://github.com/dotnet/runtime/commit/5d6c8aa343bcd62cfb2f2a4b2364e39623ebf34d)
Compare | [04ff9bd1c1cdd0046af652c74821e73668207cac](https://github.com/dotnet/runtime/commit/04ff9bd1c1cdd0046af652c74821e73668207cac)


### Regressions in System.Collections.Tests.Perf_PriorityQueue&lt;Int32, Int32&gt;

Benchmark | Baseline | Test | Test/Base | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | --
[HeapSort](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Collections.Tests.Perf_PriorityQueue(Int32%2c%20Int32).HeapSort(Size%3a%20100).html>) | 3.07 μs | 3.22 μs | 1.05 | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_10_2021/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Collections.Tests.Perf_PriorityQueue(Int32,%20Int32)_1.png>)
[Historical Data in Reporting System](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_10_2021/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Collections.Tests.Perf_PriorityQueue(Int32,%20Int32).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f netcoreapp5.0 --filter 'System.Collections.Tests.Perf_PriorityQueue&lt;Int32, Int32&gt;*'
```
<details>

.
### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-8f1edac8-84e9-4a92-ae69-7fc3003b2d737f4e57fc8cd4572a8/384bd736-047c-4123-8fb4-7b2761f683c3.zip?sv=2019-07-07&se=2021-04-04T04%3A25%3A23Z&sr=c&sp=rl&sig=WCUmzpmrVzkpC2whjPMyqH9M9PyiXuMiLwcvivu3dZA%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-074a6ed3-e524-41c5-a0f0-4f50b81ac13d458d57b9932493ebb/9b334529-1f1f-4ca9-9e6a-fe0660160ba2.zip?sv=2019-07-07&se=2021-04-04T17%3A39%3A49Z&sr=c&sp=rl&sig=VI%2BjY8y1YYBZOXdO0LrcKys5bZ3qbKAIfCxPlijZeLQ%3D>)

### Histogram
#### System.Collections.Tests.Perf_PriorityQueue<Int32, Int32>.HeapSort(Size: 100)

```log
[3039.342 ; 3151.722) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[3151.722 ; 3249.705) | @@@@@
[3249.705 ; 3380.575) | 
[3380.575 ; 3558.514) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[3558.514 ; 3638.772) | @@@@@
```


### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>

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Regressions in System.Collections.Tests.Perf_PriorityQueue<Int32, Int32> #50052

Run Information