[NAOT] Compiler crashing with unhandled exception under ILCompiler.TypeMapMetadata.CreateFromAssembly

[jkotas]

From https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_apis/build/builds/1074772/logs/104:

2025-06-21T20:18:02.3802972Z     Runtime_87393 -> D:\a\_work\1\s\artifacts\tests\coreclr\windows.x64.Checked\JIT\Regression\JitBlue\Runtime_87393\Runtime_87393\Runtime_87393.dll
2025-06-21T20:18:03.1703996Z     Generating native code
2025-06-21T20:18:03.1729635Z     Unhandled exception. Internal.TypeSystem.TypeSystemException+FileNotFoundException: Failed to load assembly 'FSharp.Core'
2025-06-21T20:18:03.2976884Z        at Internal.TypeSystem.ThrowHelper.ThrowFileNotFoundException(ExceptionStringID, String) + 0x30
2025-06-21T20:18:03.2981009Z        at Internal.TypeSystem.ResolutionFailure.Throw() + 0x3c
2025-06-21T20:18:03.2983969Z        at ILCompiler.TypeMapMetadata.CreateFromAssembly(EcmaAssembly, CompilerTypeSystemContext) + 0x355
2025-06-21T20:18:03.2986824Z        at ILCompiler.Program.Run() + 0x18d9
2025-06-21T20:18:03.2989463Z        at ILCompiler.ILCompilerRootCommand.<>c__DisplayClass255_0.<.ctor>b__0(ParseResult) + 0x314
2025-06-21T20:18:03.2991761Z        at System.CommandLine.Invocation.InvocationPipeline.Invoke(ParseResult) + 0x6f
2025-06-21T20:18:03.2994471Z        at ILCompiler.Program.Main(String[] args) + 0xd6

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[jkotas]

This is failing in /azp run runtime-nativeaot-outerloop

Introduced by #116355. @jkoritzinsky Could you please take a look? 

[MichalStrehovsky]

Not being able to run pri-1 testing was blocking me in #116958 so I just fixed this in #116961