[Automated] PRs inserted in VS build feature.debugger.main-34920.221

[dotnet-bot]

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• remove unnecessary code (17154)
• Update VS2017.11 dependencies (17144)
• AsyncLocal diagnostics, clean slate (16779)
• Update release-notes.md to have a link to /docs/release-notes (17143)
• Fix a few AND operator parser bugs and regressions (17113)
• The Ahead of time tests are not correctly propagating the failure. (17132)
• Consolidate emitted IL for-loop tests (17128)
• A few super-minor compiler perf improvements (17130)
• More ValueOption in compiler: part 3 (and the last) (16822)
• Sourcebuild perf perhaps (16860)
• Computed collections: optimize simple mappings with preludes (17067)
• Re-enable realsig (17104)
• LSP design proposal (16493)
• Implicit yield performance fix (17096)
• Repo cleanup (17114)
• Add error tcActivePatternArgumentCountNotMatch (16846)
• Update build depencencies + SDK (17111)
• Error when property has same name as DU case (17088)
• Redo compile before - add fail on plainbuild error (17103)
• Revert "Beforecompile (#17057)" (17099)
• Beforecompile (17057)
• Add volatile to InterruptibleLazy valueFactory (17090)
• Allow AttributeTargets.Field and .Property for type let bindings (17093)