* temp

* remove msbuild dependence from fcs

* remove temp diagnostic

* No errors for non virtual members overrides

* Check for isFSharpObjModelTy as we are interested on csharp virtual methods

* More testing

* Add a feature lang preview

* More testing

* Fix PR comment

* Allow extension methods without type attribute.
* Add Extension attribute to type if any member has the attribute.
* Handle C# extensions as let bindings in a module.
* Add test for recursive types.
* Add tests for types in recursive modules.
* Only add attribute to module when module declaration has attribute.
* Add additional test.
* Add CSharp Extension Attribute Not Required as a Preview Language Feature
* Passing propper Fsharp.Core version to executed tests in legacy FsharpSuite
* Fix for tests that use NetFramework types (like winforms brushes etc.)
Co-authored-by: NEdgar Gonzalez <edgar.gonzalez@fundourselves.com>
Co-authored-by: NTomas Grosup <tomasgrosup@microsoft.com>
Co-authored-by: NVlad Zarytovskii <vzaritovsky@hotmail.com>

* Improve Unclear error FS3204 multicase union case struct

* Add SynType.Or. (#14058)

* Add SynType.Or for generic constrains in the form (^A or ^B):...

* Change ty1.Equals(ty2) to call static op_Equality (#13028)
Co-authored-by: NVlad Zarytovskii <vzaritovsky@hotmail.com>
Co-authored-by: NDon Syme <dsyme@users.noreply.github.com>
Co-authored-by: NFlorian Verdonck <florian.verdonck@outlook.com>
Co-authored-by: NRustam <rstm.sf@gmail.com>
Co-authored-by: NVlad Zarytovskii <vzaritovsky@hotmail.com>
Co-authored-by: NDon Syme <dsyme@users.noreply.github.com>

Compiler error for signature/implementation files when declaring multiple parameters with the same name in abstract methods (#14084)

* Add SynType.Or for generic constrains in the form (^A or ^B):...

* Localized file check-in by OneLocBuild Task: Build definition ID 499: Build ID 1997730 (#13925)

* Xlf
Co-authored-by: NKevin Ransom (msft) <codecutter@hotmail.com>

* Pattern discard not allowed for union case that takes no data

* Add test for grouped patterns discard

* Remove unnecesary use of wildcare across the compiler

* Format code

* Remove unnecesary wildcard on tests

* Update the warning logic

* Add warning behing preview flag

* More testing

* Add single-case unions when using them as a deconstruct syntax in functions

* Update FSComp.txt
Co-authored-by: NTomas Grosup <tomasgrosup@microsoft.com>

Co-authored-by: NVlad Zarytovskii <vzaritovsky@hotmail.com>
Co-authored-by: NDon Syme <dsyme@users.noreply.github.com>
Co-authored-by: NTomas Grosup <tomasgrosup@microsoft.com>
Co-authored-by: NEdgar Gonzalez <edgar.gonzalez@fundourselves.com>
Co-authored-by: NEugene Auduchinok <eugene.auduchinok@jetbrains.com>
Co-authored-by: NChet Husk <baronfel@users.noreply.github.com>
Co-authored-by: Ndotnet-maestro[bot] <42748379+dotnet-maestro[bot]@users.noreply.github.com>
Co-authored-by: NFlorian Verdonck <florian.verdonck@outlook.com>
Co-authored-by: NPetr <psfinaki@users.noreply.github.com>
Co-authored-by: NPetr Pokorny <petrpokorny@microsoft.com>
Co-authored-by: NTheodore Tsirpanis <teo@tsirpanis.gr>

Localized file check-in by OneLocBuild Task: Build definition ID 499: Build ID 1997730 (#13925) (#14041)
Co-authored-by: NVlad Zarytovskii <vzaritovsky@hotmail.com>

* process references in groups in scripts and report incremental updates to ReferencedAssemblies

* update baselines

* process references in groups in scripts and report incremental updates to ReferencedAssemblies

* fix tests

* fix tests

* fix FCS build

* don't print assembly resolutions for nuget packages

* Update output.200.stdout.bsl

* add test
Co-authored-by: NTomas Grosup <tomasgrosup@microsoft.com>

More descriptive error message for discriminated union pattern matching.
This applies when unsufficient number of tupled arguments is in the pattern. The error message then displays proposals for the missing fields.
Co-authored-by: NTomas Grosup <tomasgrosup@microsoft.com>

Co-authored-by: NPetr <psfinaki@users.noreply.github.com>

Co-authored-by: NVlad Zarytovskii <vzaritovsky@hotmail.com>

* Initial

* tests+xlf

* switches

* reformat

* compressed + format

* comments

* fsharpqa

Added --reflectionfree compiler flag to avoid %A string formatting 

Co-authored-by: NDon Syme <dsyme@users.noreply.github.com>
Co-authored-by: NDon Syme <donsyme@fastmail.fm>
Co-authored-by: NPetr Pokorny <petrpokorny@microsoft.com>

* fix typo in ànd`keyword description name

* add description for type-test symbol

Co-authored-by: NPetr Pokorny <petr@innit.cz>

* Yeet desktop pdbs

* remove extra xlfs

* ValRepInfoForDisplay added for improved quick info for functions defined in expressions

* Update

* Update QuickInfoTests.fs

* Update QuickInfoTests.fs

* Update

* add identifier analysis script (#13486)

* add identifier analysis script

* add identifier analysis script

* Update fantomas alpha 11 (#13481)

* Allow lower-case DU cases when RequireQualifiedAccess is specified (#13432)

* Allow lower-case DU cases when RequireQualifiedAccess is specified

* Fix PR suggestions and Add more testing

* Protect feature under preview version

* Add a NotUpperCaseConstructorWithoutRQA warning to be raised in lang version preview

* Fix formatting

* regularize some names (#13489)

* normalize some names

* format code

* fix build

* Subtraction of two chars, new conversions, and fixes for dynamic operator invocations and QuotationToExpression (#11681)
Co-authored-by: NVlad Zarytovskii <vzaritovsky@hotmail.com>
Co-authored-by: NDon Syme <dsyme@users.noreply.github.com>

* Mark backing fields as CompilerGenerated (fixes serialization of fields in FSI multiemit) (#13494)
Co-authored-by: NDon Syme <donsyme@fastmail.fm>
Co-authored-by: NPeter Semkin <petersemkin@duck.com>
Co-authored-by: NDon Syme <dsyme@users.noreply.github.com>
Co-authored-by: NFlorian Verdonck <florian.verdonck@outlook.com>
Co-authored-by: NPetr Semkin <psfinaki@users.noreply.github.com>
Co-authored-by: NEdgar Gonzalez <edgar.gonzalez@fundourselves.com>
Co-authored-by: NHadrian Tang <hadrianwttang@outlook.com>
Co-authored-by: NVlad Zarytovskii <vzaritovsky@hotmail.com>
Co-authored-by: NKevin Ransom (msft) <codecutter@hotmail.com>