MVC ignores precompiled views where it cannot find the source file

[Alxandr]

CompilerCache.cs: line 115-124

                // For precompiled views, the first time the entry is read, we need to ensure that no changes were made
                // either to the file associated with this entry, or any _GlobalImport associated with it between the time
                // the View was precompiled and the time EnsureInitialized was called. For later iterations, we can
                // rely on expiration triggers ensuring the validity of the entry.

                var fileInfo = _fileProvider.GetFileInfo(relativePath);
                if (!fileInfo.Exists)
                {
                    return null;
                }

As can be seen, if the original source file of a precompiled razor view does not exist (or is not found), it ignores it.

[pranavkm]

This is being addressed by #2463