This helps with build failure diagnostics. I've verified that this
added nearly-zero impact on build time.

Remove unnecessary build output

Convert file encoding to utf-8.

Disable pumping in one more place in the project system

New feature to recommend simplifying delegate invocations.

Simplify delegate invocation

Add back a method called by TypeScript to track async operations.

Portable Compiler Server

Fix issue with VB preprocesser keywords appearing in the completion list within incomplete preprocesser

Add expansion rule to add cast to lambda expression bodies

Attempt to get the InvalidOperationException in AsyncLazy to fire less often.

Merge fix

Enable determinism end-to-end tests and fix SourceFileResolver

Remove SymReader mock, use the real reader since we always have ISymUnmanagedReader3 now

Set DeployExtension=false in BuildAndTest.proj...

skip a flaky test