[JitDiff X64] [EgorBo] [experiment] Fold String.Concat

[MihuBot]

Job completed in 1 minute 47 seconds (remote runner delay: 1 minute 10 seconds).

Using arguments: -NoPRLink -dependsOn https://github.com/dotnet/runtime/tree/06b81c677075222c345c05578c74b0fd4bf9b962

ERROR: System.IndexOutOfRangeException: Index was outside the bounds of the array.
   at Runner.Helpers.RuntimeHelpers.<>c.<CloneRuntimeAsync>b__4_4(String pr) in /home/runtime-utils/Runner/Helpers/RuntimeHelpers.cs:line 194
   at System.Linq.Enumerable.SelectArrayIterator`2.Fill(ReadOnlySpan`1 source, Span`1 destination, Func`2 func)
   at System.Linq.Enumerable.SelectArrayIterator`2.ToArray()
   at System.Linq.Enumerable.ToArray[TSource](IEnumerable`1 source)
   at Runner.Helpers.RuntimeHelpers.<CloneRuntimeAsync>g__GetPRList|4_2(JobBase job, String name) in /home/runtime-utils/Runner/Helpers/RuntimeHelpers.cs:line 192
   at Runner.Helpers.RuntimeHelpers.<CloneRuntimeAsync>g__GetMergeScript|4_1(String name, <>c__DisplayClass4_0&) in /home/runtime-utils/Runner/Helpers/RuntimeHelpers.cs:line 166
   at Runner.Helpers.RuntimeHelpers.<CloneRuntimeAsync>g__UpdateMergePlaceholders|4_0(String template, <>c__DisplayClass4_0&) in /home/runtime-utils/Runner/Helpers/RuntimeHelpers.cs:line 156
   at Runner.Helpers.RuntimeHelpers.CloneRuntimeAsync(JobBase job) in /home/runtime-utils/Runner/Helpers/RuntimeHelpers.cs:line 94
   at Runner.Jobs.JitDiffJob.CloneRuntimeAndSetupToolsAsync(JobBase job) in /home/runtime-utils/Runner/Jobs/JitDiffJob.cs:line 184
   at Runner.Jobs.JitDiffJob.RunJobCoreAsync() in /home/runtime-utils/Runner/Jobs/JitDiffJob.cs:line 102
   at Runner.JobBase.RunJobAsync() in /home/runtime-utils/Runner/JobBase.cs:line 179

[MihuBot]

@hez2010