[Perf] Windows/x86: 1 Regression on 5/12/2026 7:19:19 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x86
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [3caa97ab2ceaf0185ca6de09c6cc497dccfe6f3e](https://github.com/dotnet/runtime/commit/3caa97ab2ceaf0185ca6de09c6cc497dccfe6f3e)
Compare | [7a71ac4aea5dbf9d60056cbab18ce84ab8cd9b28](https://github.com/dotnet/runtime/commit/7a71ac4aea5dbf9d60056cbab18ce84ab8cd9b28)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3caa97ab2ceaf0185ca6de09c6cc497dccfe6f3e...7a71ac4aea5dbf9d60056cbab18ce84ab8cd9b28)
Configs | CompilationMode:tiered, RunKind:micro

### Regressions in System.Globalization.Tests.StringSearch

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|

• [IsSuffix_DifferentLastChar - Duration of single invocation]()
• 📝 - [Benchmark Source]()
• [ADX - Test Multi Config Graph]()

![graph]()
[Test Report]()

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Globalization.Tests.StringSearch*'
```

### System.Globalization.Tests.StringSearch.IsSuffix_DifferentLastChar(Options: (en-US, OrdinalIgnoreCase, False))

#### ETL Files

#### Histogram

#### JIT Disasms

### 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)