Investigate build failure: The build failed due to 'Mismatched MVIDs in ibc data', which is related to profile-guided optimization data not matching the built assemblies. This is a known issue in .NET source-build scenarios.

[mmitche]

Failure Mode

The build failed due to 'Mismatched MVIDs in ibc data', which is related to profile-guided optimization data not matching the built assemblies. This is a known issue in .NET source-build scenarios.

Affected Builds

• Build 20250430.6
• Build 20250430.3
• Build 20250429.13

[mmitche]

Closing, needs more detail from AI