Bump Microsoft.CodeAnalysis.Compilers from 4.6.0 to 4.8.0

[dependabot]

Bumps Microsoft.CodeAnalysis.Compilers from 4.6.0 to 4.8.0.

Release notes

Sourced from Microsoft.CodeAnalysis.Compilers's releases.

.NET 6.0.1

Release

.NET 5.0.4

Release

.NET 5.0.2

Release Notes Install Instructions

Repos

• Core

Changelog

Sourced from Microsoft.CodeAnalysis.Compilers's changelog.

Version 4.8.0

Changed Assembly.Location behavior in non-Windows

The value of Assembly.Location previously held the location on disk where an analyzer or source generator was loaded from. This could be either the original location or the shadow copy location. In 4.8 this will be "" in certain cases when running on non Windows platforms. This is due the compiler server loading assemblies using AssemblyLoadContext.LoadFromStream instead of loading from disk.

This could already happen in other load scenarios but this change moves it into mainline build scenarios.

Deprecation warning for SyntaxNode serialization

The ability to serialize/deserialize a SyntaxNode to/from a Stream has been deprecated. The code for this still exists in Roslyn, but attempting to call the APIs to perform these functions will result in 'Obsolete' warnings being reported. A future version of Roslyn will remove this functionality entirely. This functionality could only work for a host that wrote out the nodes to a stream, and later read it back in within the same process instance. It could not be used to communicate across processes, or for persisting nodes to disk to be read in at a later time by a new host sessions. This functionality originally existed for the days when Roslyn was hosted in 32bit processes with limited address space. That is no longer a mainline supported scenario. Clients can get similar functionality by persisting the text of the node, and parsing it back out when needed.

PR: dotnet/roslyn#70365

Version 4.9.0

Obsoletion and removal of SyntaxNode serialization.

Continuation of the deprecation that happened in 4.8.0 (see information above). In 4.9.0 this functionality is now entirely removed, and will issue both an obsoletion error, and will throw at runtime if the APIs are used.

PR: dotnet/roslyn#70277

Changes in Microsoft.CodeAnalysis.Emit.EmitBaseline.CreateInitialBaseline method

A new required parameter Compilation has been added. Existing overloads without this parameter no longer work and throw NotSupportedException.

Changes in Microsoft.CodeAnalysis.Emit.SemanticEdit constructors

The value of preserveLocalVariables passed to the constructors is no longer used.

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